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refactor(Buffer): rename Metrix to Metrics

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Metrix was a bit too silly
This commit is contained in:
CJ van den Berg 2024-07-05 20:58:24 +02:00
parent 633cc5a1c1
commit f06a7b3d6a
7 changed files with 211 additions and 211 deletions
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174
src/buffer/Buffer.zig
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@ -16,7 +16,7 @@ pub const View = @import("View.zig");
pub const Selection = @import("Selection.zig"); pub const Selection = @import("Selection.zig");
pub const MetaWriter = std.ArrayList(u8).Writer; pub const MetaWriter = std.ArrayList(u8).Writer;
pub const Metrix = struct { pub const Metrics = struct {
ctx: *const anyopaque, ctx: *const anyopaque,
egc_length: egc_length_func, egc_length: egc_length_func,
egc_chunk_width: egc_chunk_width_func, egc_chunk_width: egc_chunk_width_func,
@ -58,7 +58,7 @@ pub const WalkerMut = struct {
pub const stop = WalkerMut{ .keep_walking = false }; pub const stop = WalkerMut{ .keep_walking = false };
pub const found = WalkerMut{ .found = true }; pub const found = WalkerMut{ .found = true };
const F = *const fn (ctx: *anyopaque, leaf: *const Leaf, mtrx: Metrix) WalkerMut; const F = *const fn (ctx: *anyopaque, leaf: *const Leaf, metrics: Metrics) WalkerMut;
}; };
pub const Walker = struct { pub const Walker = struct {
@ -70,7 +70,7 @@ pub const Walker = struct {
pub const stop = Walker{ .keep_walking = false }; pub const stop = Walker{ .keep_walking = false };
pub const found = Walker{ .found = true }; pub const found = Walker{ .found = true };
const F = *const fn (ctx: *anyopaque, leaf: *const Leaf, mtrx: Metrix) Walker; const F = *const fn (ctx: *anyopaque, leaf: *const Leaf, metrics: Metrics) Walker;
}; };
pub const Weights = struct { pub const Weights = struct {
@ -152,7 +152,7 @@ pub const Leaf = struct {
return self.buf.len == 0 and !self.bol and !self.eol; return self.buf.len == 0 and !self.bol and !self.eol;
} }
fn pos_to_width(self: *const Leaf, pos: *usize, abs_col_: usize, mtrx: Metrix) usize { fn pos_to_width(self: *const Leaf, pos: *usize, abs_col_: usize, metrics: Metrics) usize {
var col: usize = 0; var col: usize = 0;
var abs_col = abs_col_; var abs_col = abs_col_;
var cols: c_int = 0; var cols: c_int = 0;
@ -163,7 +163,7 @@ pub const Leaf = struct {
buf = buf[1..]; buf = buf[1..];
pos.* -= 1; pos.* -= 1;
} else { } else {
const bytes = mtrx.egc_length(mtrx.ctx, buf, &cols, abs_col); const bytes = metrics.egc_length(metrics.ctx, buf, &cols, abs_col);
buf = buf[bytes..]; buf = buf[bytes..];
pos.* -= bytes; pos.* -= bytes;
} }
@ -173,12 +173,12 @@ pub const Leaf = struct {
return col; return col;
} }
fn width(self: *const Leaf, abs_col: usize, mtrx: Metrix) usize { fn width(self: *const Leaf, abs_col: usize, metrics: Metrics) usize {
var pos: usize = std.math.maxInt(usize); var pos: usize = std.math.maxInt(usize);
return self.pos_to_width(&pos, abs_col, mtrx); return self.pos_to_width(&pos, abs_col, metrics);
} }
inline fn width_to_pos(self: *const Leaf, col_: usize, abs_col_: usize, mtrx: Metrix) !usize { inline fn width_to_pos(self: *const Leaf, col_: usize, abs_col_: usize, metrics: Metrics) !usize {
var abs_col = abs_col_; var abs_col = abs_col_;
var col = col_; var col = col_;
var cols: c_int = 0; var cols: c_int = 0;
@ -186,7 +186,7 @@ pub const Leaf = struct {
return while (buf.len > 0) { return while (buf.len > 0) {
if (col == 0) if (col == 0)
break @intFromPtr(buf.ptr) - @intFromPtr(self.buf.ptr); break @intFromPtr(buf.ptr) - @intFromPtr(self.buf.ptr);
const bytes = mtrx.egc_length(mtrx.ctx, buf, &cols, abs_col); const bytes = metrics.egc_length(metrics.ctx, buf, &cols, abs_col);
buf = buf[bytes..]; buf = buf[bytes..];
if (col < cols) if (col < cols)
break @intFromPtr(buf.ptr) - @intFromPtr(self.buf.ptr); break @intFromPtr(buf.ptr) - @intFromPtr(self.buf.ptr);
@ -195,20 +195,20 @@ pub const Leaf = struct {
} else error.BufferUnderrun; } else error.BufferUnderrun;
} }
inline fn dump(self: *const Leaf, l: *ArrayList(u8), abs_col: usize, mtrx: Metrix) !void { inline fn dump(self: *const Leaf, l: *ArrayList(u8), abs_col: usize, metrics: Metrics) !void {
var buf: [16]u8 = undefined; var buf: [16]u8 = undefined;
const wcwidth = try std.fmt.bufPrint(&buf, "{d}", .{self.width(abs_col, mtrx)}); const wcwidth = try std.fmt.bufPrint(&buf, "{d}", .{self.width(abs_col, metrics)});
if (self.bol) if (self.bol)
try l.appendSlice("BOL "); try l.appendSlice("BOL ");
try l.appendSlice(wcwidth); try l.appendSlice(wcwidth);
try l.append('"'); try l.append('"');
try debug_render_chunk(self.buf, l, mtrx); try debug_render_chunk(self.buf, l, metrics);
try l.appendSlice("\" "); try l.appendSlice("\" ");
if (self.eol) if (self.eol)
try l.appendSlice("EOL "); try l.appendSlice("EOL ");
} }
fn debug_render_chunk(chunk: []const u8, l: *ArrayList(u8), mtrx: Metrix) !void { fn debug_render_chunk(chunk: []const u8, l: *ArrayList(u8), metrics: Metrics) !void {
var cols: c_int = 0; var cols: c_int = 0;
var buf = chunk; var buf = chunk;
while (buf.len > 0) { while (buf.len > 0) {
@ -219,7 +219,7 @@ pub const Leaf = struct {
buf = buf[1..]; buf = buf[1..];
}, },
else => { else => {
const bytes = mtrx.egc_length(mtrx.ctx, buf, &cols, 0); const bytes = metrics.egc_length(metrics.ctx, buf, &cols, 0);
var buf_: [4096]u8 = undefined; var buf_: [4096]u8 = undefined;
try l.appendSlice(try std.fmt.bufPrint(&buf_, "{s}", .{std.fmt.fmtSliceEscapeLower(buf[0..bytes])})); try l.appendSlice(try std.fmt.bufPrint(&buf_, "{s}", .{std.fmt.fmtSliceEscapeLower(buf[0..bytes])}));
buf = buf[bytes..]; buf = buf[bytes..];
@ -321,27 +321,27 @@ const Node = union(enum) {
return leaves.toOwnedSlice(); return leaves.toOwnedSlice();
} }
fn walk_const(self: *const Node, f: Walker.F, ctx: *anyopaque, mtrx: Metrix) Walker { fn walk_const(self: *const Node, f: Walker.F, ctx: *anyopaque, metrics: Metrics) Walker {
switch (self.*) { switch (self.*) {
.node => |*node| { .node => |*node| {
const left = node.left.walk_const(f, ctx, mtrx); const left = node.left.walk_const(f, ctx, metrics);
if (!left.keep_walking) { if (!left.keep_walking) {
var result = Walker{}; var result = Walker{};
result.err = left.err; result.err = left.err;
result.found = left.found; result.found = left.found;
return result; return result;
} }
const right = node.right.walk_const(f, ctx, mtrx); const right = node.right.walk_const(f, ctx, metrics);
return node.merge_results_const(left, right); return node.merge_results_const(left, right);
}, },
.leaf => |*l| return f(ctx, l, mtrx), .leaf => |*l| return f(ctx, l, metrics),
} }
} }
fn walk(self: *const Node, a: Allocator, f: WalkerMut.F, ctx: *anyopaque, mtrx: Metrix) WalkerMut { fn walk(self: *const Node, a: Allocator, f: WalkerMut.F, ctx: *anyopaque, metrics: Metrics) WalkerMut {
switch (self.*) { switch (self.*) {
.node => |*node| { .node => |*node| {
const left = node.left.walk(a, f, ctx, mtrx); const left = node.left.walk(a, f, ctx, metrics);
if (!left.keep_walking) { if (!left.keep_walking) {
var result = WalkerMut{}; var result = WalkerMut{};
result.err = left.err; result.err = left.err;
@ -351,26 +351,26 @@ const Node = union(enum) {
} }
return result; return result;
} }
const right = node.right.walk(a, f, ctx, mtrx); const right = node.right.walk(a, f, ctx, metrics);
return node.merge_results(a, left, right); return node.merge_results(a, left, right);
}, },
.leaf => |*l| return f(ctx, l, mtrx), .leaf => |*l| return f(ctx, l, metrics),
} }
} }
fn walk_from_line_begin_const_internal(self: *const Node, line: usize, f: Walker.F, ctx: *anyopaque, mtrx: Metrix) Walker { fn walk_from_line_begin_const_internal(self: *const Node, line: usize, f: Walker.F, ctx: *anyopaque, metrics: Metrics) Walker {
switch (self.*) { switch (self.*) {
.node => |*node| { .node => |*node| {
const left_bols = node.weights.bols; const left_bols = node.weights.bols;
if (line >= left_bols) if (line >= left_bols)
return node.right.walk_from_line_begin_const_internal(line - left_bols, f, ctx, mtrx); return node.right.walk_from_line_begin_const_internal(line - left_bols, f, ctx, metrics);
const left_result = node.left.walk_from_line_begin_const_internal(line, f, ctx, mtrx); const left_result = node.left.walk_from_line_begin_const_internal(line, f, ctx, metrics);
const right_result = if (left_result.found and left_result.keep_walking) node.right.walk_const(f, ctx, mtrx) else Walker{}; const right_result = if (left_result.found and left_result.keep_walking) node.right.walk_const(f, ctx, metrics) else Walker{};
return node.merge_results_const(left_result, right_result); return node.merge_results_const(left_result, right_result);
}, },
.leaf => |*l| { .leaf => |*l| {
if (line == 0) { if (line == 0) {
var result = f(ctx, l, mtrx); var result = f(ctx, l, metrics);
if (result.err) |_| return result; if (result.err) |_| return result;
result.found = true; result.found = true;
return result; return result;
@ -380,18 +380,18 @@ const Node = union(enum) {
} }
} }
pub fn walk_from_line_begin_const(self: *const Node, line: usize, f: Walker.F, ctx: *anyopaque, mtrx: Metrix) !bool { pub fn walk_from_line_begin_const(self: *const Node, line: usize, f: Walker.F, ctx: *anyopaque, metrics: Metrics) !bool {
const result = self.walk_from_line_begin_const_internal(line, f, ctx, mtrx); const result = self.walk_from_line_begin_const_internal(line, f, ctx, metrics);
if (result.err) |e| return e; if (result.err) |e| return e;
return result.found; return result.found;
} }
fn walk_from_line_begin_internal(self: *const Node, a: Allocator, line: usize, f: WalkerMut.F, ctx: *anyopaque, mtrx: Metrix) WalkerMut { fn walk_from_line_begin_internal(self: *const Node, a: Allocator, line: usize, f: WalkerMut.F, ctx: *anyopaque, metrics: Metrics) WalkerMut {
switch (self.*) { switch (self.*) {
.node => |*node| { .node => |*node| {
const left_bols = node.weights.bols; const left_bols = node.weights.bols;
if (line >= left_bols) { if (line >= left_bols) {
const right_result = node.right.walk_from_line_begin_internal(a, line - left_bols, f, ctx, mtrx); const right_result = node.right.walk_from_line_begin_internal(a, line - left_bols, f, ctx, metrics);
if (right_result.replace) |p| { if (right_result.replace) |p| {
var result = WalkerMut{}; var result = WalkerMut{};
result.err = right_result.err; result.err = right_result.err;
@ -406,13 +406,13 @@ const Node = union(enum) {
return right_result; return right_result;
} }
} }
const left_result = node.left.walk_from_line_begin_internal(a, line, f, ctx, mtrx); const left_result = node.left.walk_from_line_begin_internal(a, line, f, ctx, metrics);
const right_result = if (left_result.found and left_result.keep_walking) node.right.walk(a, f, ctx, mtrx) else WalkerMut{}; const right_result = if (left_result.found and left_result.keep_walking) node.right.walk(a, f, ctx, metrics) else WalkerMut{};
return node.merge_results(a, left_result, right_result); return node.merge_results(a, left_result, right_result);
}, },
.leaf => |*l| { .leaf => |*l| {
if (line == 0) { if (line == 0) {
var result = f(ctx, l, mtrx); var result = f(ctx, l, metrics);
if (result.err) |_| { if (result.err) |_| {
result.replace = null; result.replace = null;
return result; return result;
@ -425,8 +425,8 @@ const Node = union(enum) {
} }
} }
pub fn walk_from_line_begin(self: *const Node, a: Allocator, line: usize, f: WalkerMut.F, ctx: *anyopaque, mtrx: Metrix) !struct { bool, ?Root } { pub fn walk_from_line_begin(self: *const Node, a: Allocator, line: usize, f: WalkerMut.F, ctx: *anyopaque, metrics: Metrics) !struct { bool, ?Root } {
const result = self.walk_from_line_begin_internal(a, line, f, ctx, mtrx); const result = self.walk_from_line_begin_internal(a, line, f, ctx, metrics);
if (result.err) |e| return e; if (result.err) |e| return e;
return .{ result.found, result.replace }; return .{ result.found, result.replace };
} }
@ -466,27 +466,27 @@ const Node = union(enum) {
} }
} }
const EgcF = *const fn (ctx: *anyopaque, egc: []const u8, wcwidth: usize, mtrx: Metrix) Walker; const EgcF = *const fn (ctx: *anyopaque, egc: []const u8, wcwidth: usize, metrics: Metrics) Walker;
pub fn walk_egc_forward(self: *const Node, line: usize, walker_f: EgcF, walker_ctx: *anyopaque, mtrx_: Metrix) !void { pub fn walk_egc_forward(self: *const Node, line: usize, walker_f: EgcF, walker_ctx: *anyopaque, metrics_: Metrics) !void {
const Ctx = struct { const Ctx = struct {
walker_f: EgcF, walker_f: EgcF,
walker_ctx: @TypeOf(walker_ctx), walker_ctx: @TypeOf(walker_ctx),
abs_col: usize = 0, abs_col: usize = 0,
fn walker(ctx_: *anyopaque, leaf: *const Self.Leaf, mtrx: Metrix) Walker { fn walker(ctx_: *anyopaque, leaf: *const Self.Leaf, metrics: Metrics) Walker {
const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_))); const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_)));
var buf: []const u8 = leaf.buf; var buf: []const u8 = leaf.buf;
while (buf.len > 0) { while (buf.len > 0) {
var cols: c_int = undefined; var cols: c_int = undefined;
const bytes = mtrx.egc_length(mtrx.ctx, buf, &cols, ctx.abs_col); const bytes = metrics.egc_length(metrics.ctx, buf, &cols, ctx.abs_col);
const ret = ctx.walker_f(ctx.walker_ctx, buf[0..bytes], @intCast(cols), mtrx); const ret = ctx.walker_f(ctx.walker_ctx, buf[0..bytes], @intCast(cols), metrics);
if (ret.err) |e| return .{ .err = e }; if (ret.err) |e| return .{ .err = e };
buf = buf[bytes..]; buf = buf[bytes..];
ctx.abs_col += @intCast(cols); ctx.abs_col += @intCast(cols);
if (!ret.keep_walking) return Walker.stop; if (!ret.keep_walking) return Walker.stop;
} }
if (leaf.eol) { if (leaf.eol) {
const ret = ctx.walker_f(ctx.walker_ctx, "\n", 1, mtrx); const ret = ctx.walker_f(ctx.walker_ctx, "\n", 1, metrics);
if (ret.err) |e| return .{ .err = e }; if (ret.err) |e| return .{ .err = e };
if (!ret.keep_walking) return Walker.stop; if (!ret.keep_walking) return Walker.stop;
ctx.abs_col = 0; ctx.abs_col = 0;
@ -495,16 +495,16 @@ const Node = union(enum) {
} }
}; };
var ctx: Ctx = .{ .walker_f = walker_f, .walker_ctx = walker_ctx }; var ctx: Ctx = .{ .walker_f = walker_f, .walker_ctx = walker_ctx };
const found = try self.walk_from_line_begin_const(line, Ctx.walker, &ctx, mtrx_); const found = try self.walk_from_line_begin_const(line, Ctx.walker, &ctx, metrics_);
if (!found) return error.NotFound; if (!found) return error.NotFound;
} }
pub fn ecg_at(self: *const Node, line: usize, col: usize, mtrx: Metrix) error{NotFound}!struct { []const u8, usize, usize } { pub fn ecg_at(self: *const Node, line: usize, col: usize, metrics: Metrics) error{NotFound}!struct { []const u8, usize, usize } {
const ctx_ = struct { const ctx_ = struct {
col: usize, col: usize,
at: ?[]const u8 = null, at: ?[]const u8 = null,
wcwidth: usize = 0, wcwidth: usize = 0,
fn walker(ctx_: *anyopaque, egc: []const u8, wcwidth: usize, _: Metrix) Walker { fn walker(ctx_: *anyopaque, egc: []const u8, wcwidth: usize, _: Metrics) Walker {
const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_))); const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_)));
ctx.at = egc; ctx.at = egc;
ctx.wcwidth = wcwidth; ctx.wcwidth = wcwidth;
@ -515,20 +515,20 @@ const Node = union(enum) {
} }
}; };
var ctx: ctx_ = .{ .col = col }; var ctx: ctx_ = .{ .col = col };
self.walk_egc_forward(line, ctx_.walker, &ctx, mtrx) catch return .{ "?", 1, 0 }; self.walk_egc_forward(line, ctx_.walker, &ctx, metrics) catch return .{ "?", 1, 0 };
return if (ctx.at) |at| .{ at, ctx.wcwidth, ctx.col } else error.NotFound; return if (ctx.at) |at| .{ at, ctx.wcwidth, ctx.col } else error.NotFound;
} }
pub fn test_at(self: *const Node, pred: *const fn (c: []const u8) bool, line: usize, col: usize, mtrx: Metrix) bool { pub fn test_at(self: *const Node, pred: *const fn (c: []const u8) bool, line: usize, col: usize, metrics: Metrics) bool {
const ecg, _, _ = self.ecg_at(line, col, mtrx) catch return false; const ecg, _, _ = self.ecg_at(line, col, metrics) catch return false;
return pred(ecg); return pred(ecg);
} }
pub fn get_line_width_map(self: *const Node, line: usize, map: *ArrayList(usize), mtrx: Metrix) error{ Stop, NoSpaceLeft }!void { pub fn get_line_width_map(self: *const Node, line: usize, map: *ArrayList(usize), metrics: Metrics) error{ Stop, NoSpaceLeft }!void {
const Ctx = struct { const Ctx = struct {
map: *ArrayList(usize), map: *ArrayList(usize),
wcwidth: usize = 0, wcwidth: usize = 0,
fn walker(ctx_: *anyopaque, egc: []const u8, wcwidth: usize, _: Metrix) Walker { fn walker(ctx_: *anyopaque, egc: []const u8, wcwidth: usize, _: Metrics) Walker {
const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_))); const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_)));
var n = egc.len; var n = egc.len;
while (n > 0) : (n -= 1) { while (n > 0) : (n -= 1) {
@ -540,20 +540,20 @@ const Node = union(enum) {
} }
}; };
var ctx: Ctx = .{ .map = map }; var ctx: Ctx = .{ .map = map };
self.walk_egc_forward(line, Ctx.walker, &ctx, mtrx) catch |e| return switch (e) { self.walk_egc_forward(line, Ctx.walker, &ctx, metrics) catch |e| return switch (e) {
error.NoSpaceLeft => error.NoSpaceLeft, error.NoSpaceLeft => error.NoSpaceLeft,
else => error.Stop, else => error.Stop,
}; };
} }
pub fn get_range(self: *const Node, sel: Selection, copy_buf: ?[]u8, size: ?*usize, wcwidth_: ?*usize, mtrx_: Metrix) error{ Stop, NoSpaceLeft }!?[]u8 { pub fn get_range(self: *const Node, sel: Selection, copy_buf: ?[]u8, size: ?*usize, wcwidth_: ?*usize, metrics_: Metrics) error{ Stop, NoSpaceLeft }!?[]u8 {
const Ctx = struct { const Ctx = struct {
col: usize = 0, col: usize = 0,
sel: Selection, sel: Selection,
out: ?[]u8, out: ?[]u8,
bytes: usize = 0, bytes: usize = 0,
wcwidth: usize = 0, wcwidth: usize = 0,
fn walker(ctx_: *anyopaque, egc: []const u8, wcwidth: usize, _: Metrix) Walker { fn walker(ctx_: *anyopaque, egc: []const u8, wcwidth: usize, _: Metrics) Walker {
const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_))); const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_)));
if (ctx.col < ctx.sel.begin.col) { if (ctx.col < ctx.sel.begin.col) {
ctx.col += wcwidth; ctx.col += wcwidth;
@ -586,7 +586,7 @@ const Node = union(enum) {
ctx.sel.normalize(); ctx.sel.normalize();
if (ctx.sel.begin.eql(ctx.sel.end)) if (ctx.sel.begin.eql(ctx.sel.end))
return error.Stop; return error.Stop;
self.walk_egc_forward(ctx.sel.begin.row, Ctx.walker, &ctx, mtrx_) catch |e| return switch (e) { self.walk_egc_forward(ctx.sel.begin.row, Ctx.walker, &ctx, metrics_) catch |e| return switch (e) {
error.NoSpaceLeft => error.NoSpaceLeft, error.NoSpaceLeft => error.NoSpaceLeft,
else => error.Stop, else => error.Stop,
}; };
@ -595,20 +595,20 @@ const Node = union(enum) {
return if (copy_buf) |buf_| buf_[0..ctx.bytes] else null; return if (copy_buf) |buf_| buf_[0..ctx.bytes] else null;
} }
pub fn delete_range(self: *const Node, sel: Selection, a: Allocator, size: ?*usize, mtrx: Metrix) error{Stop}!Root { pub fn delete_range(self: *const Node, sel: Selection, a: Allocator, size: ?*usize, metrics: Metrics) error{Stop}!Root {
var wcwidth: usize = 0; var wcwidth: usize = 0;
_ = self.get_range(sel, null, size, &wcwidth, mtrx) catch return error.Stop; _ = self.get_range(sel, null, size, &wcwidth, metrics) catch return error.Stop;
return self.del_chars(sel.begin.row, sel.begin.col, wcwidth, a, mtrx) catch return error.Stop; return self.del_chars(sel.begin.row, sel.begin.col, wcwidth, a, metrics) catch return error.Stop;
} }
pub fn del_chars(self: *const Node, line: usize, col: usize, count: usize, a: Allocator, mtrx_: Metrix) !Root { pub fn del_chars(self: *const Node, line: usize, col: usize, count: usize, a: Allocator, metrics_: Metrics) !Root {
const Ctx = struct { const Ctx = struct {
a: Allocator, a: Allocator,
col: usize, col: usize,
abs_col: usize = 0, abs_col: usize = 0,
count: usize, count: usize,
delete_next_bol: bool = false, delete_next_bol: bool = false,
fn walker(Ctx: *anyopaque, leaf: *const Leaf, mtrx: Metrix) WalkerMut { fn walker(Ctx: *anyopaque, leaf: *const Leaf, metrics: Metrics) WalkerMut {
const ctx = @as(*@This(), @ptrCast(@alignCast(Ctx))); const ctx = @as(*@This(), @ptrCast(@alignCast(Ctx)));
var result = WalkerMut.keep_walking; var result = WalkerMut.keep_walking;
if (ctx.delete_next_bol and ctx.count == 0) { if (ctx.delete_next_bol and ctx.count == 0) {
@ -617,7 +617,7 @@ const Node = union(enum) {
ctx.delete_next_bol = false; ctx.delete_next_bol = false;
return result; return result;
} }
const leaf_wcwidth = leaf.width(ctx.abs_col, mtrx); const leaf_wcwidth = leaf.width(ctx.abs_col, metrics);
const leaf_bol = leaf.bol and !ctx.delete_next_bol; const leaf_bol = leaf.bol and !ctx.delete_next_bol;
ctx.delete_next_bol = false; ctx.delete_next_bol = false;
const base_col = ctx.abs_col; const base_col = ctx.abs_col;
@ -641,7 +641,7 @@ const Node = union(enum) {
result.replace = Leaf.new(ctx.a, "", leaf_bol, leaf.eol) catch |e| return .{ .err = e }; result.replace = Leaf.new(ctx.a, "", leaf_bol, leaf.eol) catch |e| return .{ .err = e };
ctx.count = 0; ctx.count = 0;
} else { } else {
const pos = leaf.width_to_pos(ctx.count, base_col, mtrx) catch |e| return .{ .err = e }; const pos = leaf.width_to_pos(ctx.count, base_col, metrics) catch |e| return .{ .err = e };
result.replace = Leaf.new(ctx.a, leaf.buf[pos..], leaf_bol, leaf.eol) catch |e| return .{ .err = e }; result.replace = Leaf.new(ctx.a, leaf.buf[pos..], leaf_bol, leaf.eol) catch |e| return .{ .err = e };
ctx.count = 0; ctx.count = 0;
} }
@ -655,7 +655,7 @@ const Node = union(enum) {
} else { } else {
if (ctx.col + ctx.count >= leaf_wcwidth) { if (ctx.col + ctx.count >= leaf_wcwidth) {
ctx.count -= leaf_wcwidth - ctx.col; ctx.count -= leaf_wcwidth - ctx.col;
const pos = leaf.width_to_pos(ctx.col, base_col, mtrx) catch |e| return .{ .err = e }; const pos = leaf.width_to_pos(ctx.col, base_col, metrics) catch |e| return .{ .err = e };
const leaf_eol = if (leaf.eol and ctx.count > 0) leaf_eol: { const leaf_eol = if (leaf.eol and ctx.count > 0) leaf_eol: {
ctx.count -= 1; ctx.count -= 1;
ctx.delete_next_bol = true; ctx.delete_next_bol = true;
@ -664,8 +664,8 @@ const Node = union(enum) {
result.replace = Leaf.new(ctx.a, leaf.buf[0..pos], leaf_bol, leaf_eol) catch |e| return .{ .err = e }; result.replace = Leaf.new(ctx.a, leaf.buf[0..pos], leaf_bol, leaf_eol) catch |e| return .{ .err = e };
ctx.col = 0; ctx.col = 0;
} else { } else {
const pos = leaf.width_to_pos(ctx.col, base_col, mtrx) catch |e| return .{ .err = e }; const pos = leaf.width_to_pos(ctx.col, base_col, metrics) catch |e| return .{ .err = e };
const pos_end = leaf.width_to_pos(ctx.col + ctx.count, base_col, mtrx) catch |e| return .{ .err = e }; const pos_end = leaf.width_to_pos(ctx.col + ctx.count, base_col, metrics) catch |e| return .{ .err = e };
const left = Leaf.new(ctx.a, leaf.buf[0..pos], leaf_bol, false) catch |e| return .{ .err = e }; const left = Leaf.new(ctx.a, leaf.buf[0..pos], leaf_bol, false) catch |e| return .{ .err = e };
const right = Leaf.new(ctx.a, leaf.buf[pos_end..], false, leaf.eol) catch |e| return .{ .err = e }; const right = Leaf.new(ctx.a, leaf.buf[pos_end..], false, leaf.eol) catch |e| return .{ .err = e };
result.replace = Node.new(ctx.a, left, right) catch |e| return .{ .err = e }; result.replace = Node.new(ctx.a, left, right) catch |e| return .{ .err = e };
@ -679,7 +679,7 @@ const Node = union(enum) {
} }
}; };
var ctx: Ctx = .{ .a = a, .col = col, .count = count }; var ctx: Ctx = .{ .a = a, .col = col, .count = count };
const found, const root = try self.walk_from_line_begin(a, line, Ctx.walker, &ctx, mtrx_); const found, const root = try self.walk_from_line_begin(a, line, Ctx.walker, &ctx, metrics_);
return if (found) (if (root) |r| r else error.Stop) else error.NotFound; return if (found) (if (root) |r| r else error.Stop) else error.NotFound;
} }
@ -695,46 +695,46 @@ const Node = union(enum) {
return Node.new(a, try merge_in_place(leaves[0..mid], a), try merge_in_place(leaves[mid..], a)); return Node.new(a, try merge_in_place(leaves[0..mid], a), try merge_in_place(leaves[mid..], a));
} }
pub fn get_line(self: *const Node, line: usize, result: *ArrayList(u8), mtrx: Metrix) !void { pub fn get_line(self: *const Node, line: usize, result: *ArrayList(u8), metrics: Metrics) !void {
const Ctx = struct { const Ctx = struct {
line: *ArrayList(u8), line: *ArrayList(u8),
fn walker(ctx_: *anyopaque, leaf: *const Leaf, _: Metrix) Walker { fn walker(ctx_: *anyopaque, leaf: *const Leaf, _: Metrics) Walker {
const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_))); const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_)));
ctx.line.appendSlice(leaf.buf) catch |e| return .{ .err = e }; ctx.line.appendSlice(leaf.buf) catch |e| return .{ .err = e };
return if (!leaf.eol) Walker.keep_walking else Walker.stop; return if (!leaf.eol) Walker.keep_walking else Walker.stop;
} }
}; };
var ctx: Ctx = .{ .line = result }; var ctx: Ctx = .{ .line = result };
const found = self.walk_from_line_begin_const(line, Ctx.walker, &ctx, mtrx) catch false; const found = self.walk_from_line_begin_const(line, Ctx.walker, &ctx, metrics) catch false;
return if (!found) error.NotFound; return if (!found) error.NotFound;
} }
pub fn line_width(self: *const Node, line: usize, mtrx_: Metrix) !usize { pub fn line_width(self: *const Node, line: usize, metrics_: Metrics) !usize {
const do = struct { const do = struct {
result: usize = 0, result: usize = 0,
fn walker(ctx: *anyopaque, leaf: *const Leaf, mtrx: Metrix) Walker { fn walker(ctx: *anyopaque, leaf: *const Leaf, metrics: Metrics) Walker {
const do = @as(*@This(), @ptrCast(@alignCast(ctx))); const do = @as(*@This(), @ptrCast(@alignCast(ctx)));
do.result += leaf.width(do.result, mtrx); do.result += leaf.width(do.result, metrics);
return if (!leaf.eol) Walker.keep_walking else Walker.stop; return if (!leaf.eol) Walker.keep_walking else Walker.stop;
} }
}; };
var ctx: do = .{}; var ctx: do = .{};
const found = self.walk_from_line_begin_const(line, do.walker, &ctx, mtrx_) catch true; const found = self.walk_from_line_begin_const(line, do.walker, &ctx, metrics_) catch true;
return if (found) ctx.result else error.NotFound; return if (found) ctx.result else error.NotFound;
} }
pub fn pos_to_width(self: *const Node, line: usize, pos: usize, mtrx_: Metrix) !usize { pub fn pos_to_width(self: *const Node, line: usize, pos: usize, metrics_: Metrics) !usize {
const do = struct { const do = struct {
result: usize = 0, result: usize = 0,
pos: usize, pos: usize,
fn walker(ctx: *anyopaque, leaf: *const Leaf, mtrx: Metrix) Walker { fn walker(ctx: *anyopaque, leaf: *const Leaf, metrics: Metrics) Walker {
const do = @as(*@This(), @ptrCast(@alignCast(ctx))); const do = @as(*@This(), @ptrCast(@alignCast(ctx)));
do.result += leaf.pos_to_width(&do.pos, do.result, mtrx); do.result += leaf.pos_to_width(&do.pos, do.result, metrics);
return if (!(leaf.eol or do.pos == 0)) Walker.keep_walking else Walker.stop; return if (!(leaf.eol or do.pos == 0)) Walker.keep_walking else Walker.stop;
} }
}; };
var ctx: do = .{ .pos = pos }; var ctx: do = .{ .pos = pos };
const found = self.walk_from_line_begin_const(line, do.walker, &ctx, mtrx_) catch true; const found = self.walk_from_line_begin_const(line, do.walker, &ctx, metrics_) catch true;
return if (found) ctx.result else error.NotFound; return if (found) ctx.result else error.NotFound;
} }
@ -744,7 +744,7 @@ const Node = union(enum) {
col_: usize, col_: usize,
s: []const u8, s: []const u8,
a: Allocator, a: Allocator,
mtrx_: Metrix, metrics_: Metrics,
) !struct { usize, usize, Root } { ) !struct { usize, usize, Root } {
var self = self_; var self = self_;
const Ctx = struct { const Ctx = struct {
@ -754,9 +754,9 @@ const Node = union(enum) {
s: []const u8, s: []const u8,
eol: bool, eol: bool,
fn walker(ctx: *anyopaque, leaf: *const Leaf, mtrx: Metrix) WalkerMut { fn walker(ctx: *anyopaque, leaf: *const Leaf, metrics: Metrics) WalkerMut {
const Ctx = @as(*@This(), @ptrCast(@alignCast(ctx))); const Ctx = @as(*@This(), @ptrCast(@alignCast(ctx)));
const leaf_wcwidth = leaf.width(Ctx.abs_col, mtrx); const leaf_wcwidth = leaf.width(Ctx.abs_col, metrics);
const base_col = Ctx.abs_col; const base_col = Ctx.abs_col;
Ctx.abs_col += leaf_wcwidth; Ctx.abs_col += leaf_wcwidth;
@ -788,7 +788,7 @@ const Node = union(enum) {
} }
if (leaf_wcwidth > Ctx.col) { if (leaf_wcwidth > Ctx.col) {
const pos = leaf.width_to_pos(Ctx.col, base_col, mtrx) catch |e| return .{ .err = e }; const pos = leaf.width_to_pos(Ctx.col, base_col, metrics) catch |e| return .{ .err = e };
if (Ctx.eol and Ctx.s.len == 0) { if (Ctx.eol and Ctx.s.len == 0) {
const left = Leaf.new(Ctx.a, leaf.buf[0..pos], leaf.bol, Ctx.eol) catch |e| return .{ .err = e }; const left = Leaf.new(Ctx.a, leaf.buf[0..pos], leaf.bol, Ctx.eol) catch |e| return .{ .err = e };
const right = Leaf.new(Ctx.a, leaf.buf[pos..], Ctx.eol, leaf.eol) catch |e| return .{ .err = e }; const right = Leaf.new(Ctx.a, leaf.buf[pos..], Ctx.eol, leaf.eol) catch |e| return .{ .err = e };
@ -825,14 +825,14 @@ const Node = union(enum) {
need_eol = false; need_eol = false;
} }
var ctx: Ctx = .{ .a = a, .col = col, .s = chunk, .eol = need_eol }; var ctx: Ctx = .{ .a = a, .col = col, .s = chunk, .eol = need_eol };
const found, const replace = try self.walk_from_line_begin(a, line, Ctx.walker, &ctx, mtrx_); const found, const replace = try self.walk_from_line_begin(a, line, Ctx.walker, &ctx, metrics_);
if (!found) return error.NotFound; if (!found) return error.NotFound;
if (replace) |root| self = root; if (replace) |root| self = root;
if (need_eol) { if (need_eol) {
line += 1; line += 1;
col = 0; col = 0;
} else { } else {
col += mtrx_.egc_chunk_width(mtrx_.ctx, chunk, col); col += metrics_.egc_chunk_width(metrics_.ctx, chunk, col);
} }
} }
return .{ line, col, self }; return .{ line, col, self };
@ -925,19 +925,19 @@ const Node = union(enum) {
return self.store(ctx.writer()); return self.store(ctx.writer());
} }
pub fn debug_render_chunks(self: *const Node, line: usize, output: *ArrayList(u8), mtrx_: Metrix) !void { pub fn debug_render_chunks(self: *const Node, line: usize, output: *ArrayList(u8), metrics_: Metrics) !void {
const ctx_ = struct { const ctx_ = struct {
l: *ArrayList(u8), l: *ArrayList(u8),
wcwidth: usize = 0, wcwidth: usize = 0,
fn walker(ctx_: *anyopaque, leaf: *const Leaf, mtrx: Metrix) Walker { fn walker(ctx_: *anyopaque, leaf: *const Leaf, metrics: Metrics) Walker {
const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_))); const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_)));
leaf.dump(ctx.l, ctx.wcwidth, mtrx) catch |e| return .{ .err = e }; leaf.dump(ctx.l, ctx.wcwidth, metrics) catch |e| return .{ .err = e };
ctx.wcwidth += leaf.width(ctx.wcwidth, mtrx); ctx.wcwidth += leaf.width(ctx.wcwidth, metrics);
return if (!leaf.eol) Walker.keep_walking else Walker.stop; return if (!leaf.eol) Walker.keep_walking else Walker.stop;
} }
}; };
var ctx: ctx_ = .{ .l = output }; var ctx: ctx_ = .{ .l = output };
const found = self.walk_from_line_begin_const(line, ctx_.walker, &ctx, mtrx_) catch true; const found = self.walk_from_line_begin_const(line, ctx_.walker, &ctx, metrics_) catch true;
if (!found) return error.NotFound; if (!found) return error.NotFound;
var buf: [16]u8 = undefined; var buf: [16]u8 = undefined;

96
src/buffer/Cursor.zig
View file

@ -3,7 +3,7 @@ const cbor = @import("cbor");
const Buffer = @import("Buffer.zig"); const Buffer = @import("Buffer.zig");
const View = @import("View.zig"); const View = @import("View.zig");
const Selection = @import("Selection.zig"); const Selection = @import("Selection.zig");
const Metrix = Buffer.Metrix; const Metrics = Buffer.Metrics;
row: usize = 0, row: usize = 0,
col: usize = 0, col: usize = 0,
@ -27,20 +27,20 @@ pub inline fn right_of(self: Self, other: Self) bool {
return if (self.row > other.row) true else if (self.row == other.row and self.col > other.col) true else false; return if (self.row > other.row) true else if (self.row == other.row and self.col > other.col) true else false;
} }
pub fn clamp_to_buffer(self: *Self, root: Buffer.Root, mtrx: Metrix) void { pub fn clamp_to_buffer(self: *Self, root: Buffer.Root, metrics: Metrics) void {
self.row = @min(self.row, root.lines() - 1); self.row = @min(self.row, root.lines() - 1);
self.col = @min(self.col, root.line_width(self.row, mtrx) catch 0); self.col = @min(self.col, root.line_width(self.row, metrics) catch 0);
} }
fn follow_target(self: *Self, root: Buffer.Root, mtrx: Metrix) void { fn follow_target(self: *Self, root: Buffer.Root, metrics: Metrics) void {
self.col = @min(self.target, root.line_width(self.row, mtrx) catch 0); self.col = @min(self.target, root.line_width(self.row, metrics) catch 0);
} }
fn move_right_no_target(self: *Self, root: Buffer.Root, mtrx: Metrix) !void { fn move_right_no_target(self: *Self, root: Buffer.Root, metrics: Metrics) !void {
const lines = root.lines(); const lines = root.lines();
if (lines <= self.row) return error.Stop; if (lines <= self.row) return error.Stop;
if (self.col < root.line_width(self.row, mtrx) catch 0) { if (self.col < root.line_width(self.row, metrics) catch 0) {
_, const wcwidth, const offset = root.ecg_at(self.row, self.col, mtrx) catch return error.Stop; _, const wcwidth, const offset = root.ecg_at(self.row, self.col, metrics) catch return error.Stop;
self.col += wcwidth - offset; self.col += wcwidth - offset;
} else if (self.row < lines - 1) { } else if (self.row < lines - 1) {
self.col = 0; self.col = 0;
@ -48,73 +48,73 @@ fn move_right_no_target(self: *Self, root: Buffer.Root, mtrx: Metrix) !void {
} else return error.Stop; } else return error.Stop;
} }
pub fn move_right(self: *Self, root: Buffer.Root, mtrx: Metrix) !void { pub fn move_right(self: *Self, root: Buffer.Root, metrics: Metrics) !void {
try self.move_right_no_target(root, mtrx); try self.move_right_no_target(root, metrics);
self.target = self.col; self.target = self.col;
} }
fn move_left_no_target(self: *Self, root: Buffer.Root, mtrx: Metrix) !void { fn move_left_no_target(self: *Self, root: Buffer.Root, metrics: Metrics) !void {
if (self.col == 0) { if (self.col == 0) {
if (self.row == 0) return error.Stop; if (self.row == 0) return error.Stop;
self.row -= 1; self.row -= 1;
self.col = root.line_width(self.row, mtrx) catch 0; self.col = root.line_width(self.row, metrics) catch 0;
} else { } else {
_, const wcwidth, _ = root.ecg_at(self.row, self.col - 1, mtrx) catch return error.Stop; _, const wcwidth, _ = root.ecg_at(self.row, self.col - 1, metrics) catch return error.Stop;
if (self.col > wcwidth) self.col -= wcwidth else self.col = 0; if (self.col > wcwidth) self.col -= wcwidth else self.col = 0;
} }
} }
pub fn move_left(self: *Self, root: Buffer.Root, mtrx: Metrix) !void { pub fn move_left(self: *Self, root: Buffer.Root, metrics: Metrics) !void {
try self.move_left_no_target(root, mtrx); try self.move_left_no_target(root, metrics);
self.target = self.col; self.target = self.col;
} }
pub fn move_up(self: *Self, root: Buffer.Root, mtrx: Metrix) !void { pub fn move_up(self: *Self, root: Buffer.Root, metrics: Metrics) !void {
if (self.row > 0) { if (self.row > 0) {
self.row -= 1; self.row -= 1;
self.follow_target(root, mtrx); self.follow_target(root, metrics);
self.move_left_no_target(root, mtrx) catch return; self.move_left_no_target(root, metrics) catch return;
try self.move_right_no_target(root, mtrx); try self.move_right_no_target(root, metrics);
} else return error.Stop; } else return error.Stop;
} }
pub fn move_down(self: *Self, root: Buffer.Root, mtrx: Metrix) !void { pub fn move_down(self: *Self, root: Buffer.Root, metrics: Metrics) !void {
if (self.row < root.lines() - 1) { if (self.row < root.lines() - 1) {
self.row += 1; self.row += 1;
self.follow_target(root, mtrx); self.follow_target(root, metrics);
self.move_left_no_target(root, mtrx) catch return; self.move_left_no_target(root, metrics) catch return;
try self.move_right_no_target(root, mtrx); try self.move_right_no_target(root, metrics);
} else return error.Stop; } else return error.Stop;
} }
pub fn move_page_up(self: *Self, root: Buffer.Root, view: *const View, mtrx: Metrix) void { pub fn move_page_up(self: *Self, root: Buffer.Root, view: *const View, metrics: Metrics) void {
self.row = if (self.row > view.rows) self.row - view.rows else 0; self.row = if (self.row > view.rows) self.row - view.rows else 0;
self.follow_target(root, mtrx); self.follow_target(root, metrics);
self.move_left_no_target(root, mtrx) catch return; self.move_left_no_target(root, metrics) catch return;
self.move_right_no_target(root, mtrx) catch return; self.move_right_no_target(root, metrics) catch return;
} }
pub fn move_page_down(self: *Self, root: Buffer.Root, view: *const View, mtrx: Metrix) void { pub fn move_page_down(self: *Self, root: Buffer.Root, view: *const View, metrics: Metrics) void {
if (root.lines() > self.row + view.rows) { if (root.lines() > self.row + view.rows) {
self.row += view.rows; self.row += view.rows;
} else self.move_buffer_last(root, mtrx); } else self.move_buffer_last(root, metrics);
self.follow_target(root, mtrx); self.follow_target(root, metrics);
self.move_left_no_target(root, mtrx) catch return; self.move_left_no_target(root, metrics) catch return;
self.move_right_no_target(root, mtrx) catch return; self.move_right_no_target(root, metrics) catch return;
} }
pub fn move_to(self: *Self, root: Buffer.Root, row: usize, col: usize, mtrx: Metrix) !void { pub fn move_to(self: *Self, root: Buffer.Root, row: usize, col: usize, metrics: Metrics) !void {
if (row < root.lines()) { if (row < root.lines()) {
self.row = row; self.row = row;
self.col = @min(col, root.line_width(self.row, mtrx) catch return error.Stop); self.col = @min(col, root.line_width(self.row, metrics) catch return error.Stop);
self.target = self.col; self.target = self.col;
} else return error.Stop; } else return error.Stop;
} }
pub fn move_abs(self: *Self, root: Buffer.Root, v: *View, y: usize, x: usize, mtrx: Metrix) !void { pub fn move_abs(self: *Self, root: Buffer.Root, v: *View, y: usize, x: usize, metrics: Metrics) !void {
self.row = v.row + y; self.row = v.row + y;
self.col = v.col + x; self.col = v.col + x;
self.clamp_to_buffer(root, mtrx); self.clamp_to_buffer(root, metrics);
self.target = self.col; self.target = self.col;
} }
@ -123,8 +123,8 @@ pub fn move_begin(self: *Self) void {
self.target = self.col; self.target = self.col;
} }
pub fn move_end(self: *Self, root: Buffer.Root, mtrx: Metrix) void { pub fn move_end(self: *Self, root: Buffer.Root, metrics: Metrics) void {
if (self.row < root.lines()) self.col = root.line_width(self.row, mtrx) catch 0; if (self.row < root.lines()) self.col = root.line_width(self.row, metrics) catch 0;
self.target = std.math.maxInt(u32); self.target = std.math.maxInt(u32);
} }
@ -134,32 +134,32 @@ pub fn move_buffer_begin(self: *Self) void {
self.target = 0; self.target = 0;
} }
pub fn move_buffer_end(self: *Self, root: Buffer.Root, mtrx: Metrix) void { pub fn move_buffer_end(self: *Self, root: Buffer.Root, metrics: Metrics) void {
self.row = root.lines() - 1; self.row = root.lines() - 1;
self.move_end(root, mtrx); self.move_end(root, metrics);
if (self.col == 0) self.target = 0; if (self.col == 0) self.target = 0;
} }
fn move_buffer_first(self: *Self, root: Buffer.Root, mtrx: Metrix) void { fn move_buffer_first(self: *Self, root: Buffer.Root, metrics: Metrics) void {
self.row = 0; self.row = 0;
self.follow_target(root, mtrx); self.follow_target(root, metrics);
} }
fn move_buffer_last(self: *Self, root: Buffer.Root, mtrx: Metrix) void { fn move_buffer_last(self: *Self, root: Buffer.Root, metrics: Metrics) void {
self.row = root.lines() - 1; self.row = root.lines() - 1;
self.follow_target(root, mtrx); self.follow_target(root, metrics);
} }
fn is_at_begin(self: *const Self) bool { fn is_at_begin(self: *const Self) bool {
return self.col == 0; return self.col == 0;
} }
fn is_at_end(self: *const Self, root: Buffer.Root, mtrx: Metrix) bool { fn is_at_end(self: *const Self, root: Buffer.Root, metrics: Metrics) bool {
return if (self.row < root.lines()) self.col == root.line_width(self.row, mtrx) catch 0 else true; return if (self.row < root.lines()) self.col == root.line_width(self.row, metrics) catch 0 else true;
} }
pub fn test_at(self: *const Self, root: Buffer.Root, pred: *const fn (c: []const u8) bool, mtrx: Metrix) bool { pub fn test_at(self: *const Self, root: Buffer.Root, pred: *const fn (c: []const u8) bool, metrics: Metrics) bool {
return root.test_at(pred, self.row, self.col, mtrx); return root.test_at(pred, self.row, self.col, metrics);
} }
pub fn write(self: *const Self, writer: Buffer.MetaWriter) !void { pub fn write(self: *const Self, writer: Buffer.MetaWriter) !void {

2
src/buffer/Selection.zig
View file

@ -16,7 +16,7 @@ pub fn from_cursor(cursor: *const Cursor) Self {
return .{ .begin = cursor.*, .end = cursor.* }; return .{ .begin = cursor.*, .end = cursor.* };
} }
pub fn line_from_cursor(cursor: Cursor, root: Buffer.Root, mtrx: Buffer.Metrix) Self { pub fn line_from_cursor(cursor: Cursor, root: Buffer.Root, mtrx: Buffer.Metrics) Self {
var begin = cursor; var begin = cursor;
var end = cursor; var end = cursor;
begin.move_begin(); begin.move_begin();

2
src/renderer/vaxis/Plane.zig
View file

@ -365,7 +365,7 @@ pub fn egc_chunk_width(self: *const Plane, chunk_: []const u8, abs_col_: usize)
return colcount; return colcount;
} }
pub fn metrix(self: *const Plane) Buffer.Metrix { pub fn metrics(self: *const Plane) Buffer.Metrics {
return .{ return .{
.ctx = self, .ctx = self,
.egc_length = struct { .egc_length = struct {

144
src/tui/editor.zig
View file

@ -109,8 +109,8 @@ pub const CurSel = struct {
sel.normalize(); sel.normalize();
sel.begin.move_begin(); sel.begin.move_begin();
if (!(sel.end.row > sel.begin.row and sel.end.col == 0)) { if (!(sel.end.row > sel.begin.row and sel.end.col == 0)) {
sel.end.move_end(root, plane.metrix()); sel.end.move_end(root, plane.metrics());
sel.end.move_right(root, plane.metrix()) catch {}; sel.end.move_right(root, plane.metrics()) catch {};
} }
return sel; return sel;
} }
@ -560,7 +560,7 @@ pub const Editor = struct {
fn find_first_non_ws(root: Buffer.Root, row: usize, plane: Plane) usize { fn find_first_non_ws(root: Buffer.Root, row: usize, plane: Plane) usize {
const Ctx = struct { const Ctx = struct {
col: usize = 0, col: usize = 0,
fn walker(ctx_: *anyopaque, egc: []const u8, wcwidth: usize, _: Buffer.Metrix) Buffer.Walker { fn walker(ctx_: *anyopaque, egc: []const u8, wcwidth: usize, _: Buffer.Metrics) Buffer.Walker {
const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_))); const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_)));
if (egc[0] == ' ' or egc[0] == '\t') { if (egc[0] == ' ' or egc[0] == '\t') {
ctx.col += wcwidth; ctx.col += wcwidth;
@ -570,7 +570,7 @@ pub const Editor = struct {
} }
}; };
var ctx: Ctx = .{}; var ctx: Ctx = .{};
root.walk_egc_forward(row, Ctx.walker, &ctx, plane.metrix()) catch return 0; root.walk_egc_forward(row, Ctx.walker, &ctx, plane.metrics()) catch return 0;
return ctx.col; return ctx.col;
} }
@ -590,7 +590,7 @@ pub const Editor = struct {
sel: Selection, sel: Selection,
writer: Writer, writer: Writer,
wcwidth: usize = 0, wcwidth: usize = 0,
fn walker(ctx_: *anyopaque, egc: []const u8, wcwidth: usize, _: Buffer.Metrix) Buffer.Walker { fn walker(ctx_: *anyopaque, egc: []const u8, wcwidth: usize, _: Buffer.Metrics) Buffer.Walker {
const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_))); const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_)));
if (ctx.col < ctx.sel.begin.col) { if (ctx.col < ctx.sel.begin.col) {
ctx.col += wcwidth; ctx.col += wcwidth;
@ -617,7 +617,7 @@ pub const Editor = struct {
ctx.sel.normalize(); ctx.sel.normalize();
if (sel.begin.eql(sel.end)) if (sel.begin.eql(sel.end))
return; return;
root.walk_egc_forward(sel.begin.row, Ctx.walker, &ctx, plane_.metrix()) catch |e| return map_error(e, @errorReturnTrace()); root.walk_egc_forward(sel.begin.row, Ctx.walker, &ctx, plane_.metrics()) catch |e| return map_error(e, @errorReturnTrace());
if (wcwidth_) |p| p.* = ctx.wcwidth; if (wcwidth_) |p| p.* = ctx.wcwidth;
} }
@ -657,7 +657,7 @@ pub const Editor = struct {
theme: *const Widget.Theme, theme: *const Widget.Theme,
hl_row: ?usize, hl_row: ?usize,
fn walker(ctx_: *anyopaque, leaf: *const Buffer.Leaf, _: Buffer.Metrix) Buffer.Walker { fn walker(ctx_: *anyopaque, leaf: *const Buffer.Leaf, _: Buffer.Metrics) Buffer.Walker {
const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_))); const ctx = @as(*@This(), @ptrCast(@alignCast(ctx_)));
const self_ = ctx.self; const self_ = ctx.self;
const view = self_.view; const view = self_.view;
@ -750,7 +750,7 @@ pub const Editor = struct {
if (hl_row) |_| if (hl_row) |_|
self.render_line_highlight(&self.get_primary().cursor, theme) catch {}; self.render_line_highlight(&self.get_primary().cursor, theme) catch {};
self.plane.home(); self.plane.home();
_ = root.walk_from_line_begin_const(self.view.row, ctx.walker, &ctx_, self.plane.metrix()) catch {}; _ = root.walk_from_line_begin_const(self.view.row, ctx.walker, &ctx_, self.plane.metrics()) catch {};
} }
self.render_syntax(theme, cache, root) catch {}; self.render_syntax(theme, cache, root) catch {};
self.render_diagnostics(theme, hl_row) catch {}; self.render_diagnostics(theme, hl_row) catch {};
@ -1440,7 +1440,7 @@ pub const Editor = struct {
if (self.syntax) |syn| { if (self.syntax) |syn| {
const root = self.buf_root() catch return; const root = self.buf_root() catch return;
var start_byte: usize = 0; var start_byte: usize = 0;
_ = root.get_range(.{ .begin = .{}, .end = nudge.begin }, null, &start_byte, null, self.plane.metrix()) catch return; _ = root.get_range(.{ .begin = .{}, .end = nudge.begin }, null, &start_byte, null, self.plane.metrics()) catch return;
syn.edit(.{ syn.edit(.{
.start_byte = @intCast(start_byte), .start_byte = @intCast(start_byte),
.old_end_byte = @intCast(start_byte), .old_end_byte = @intCast(start_byte),
@ -1472,7 +1472,7 @@ pub const Editor = struct {
cursel.cursor = sel.begin; cursel.cursor = sel.begin;
cursel.selection = null; cursel.selection = null;
var size: usize = 0; var size: usize = 0;
const root_ = try root.delete_range(sel, a, &size, self.plane.metrix()); const root_ = try root.delete_range(sel, a, &size, self.plane.metrics());
self.nudge_delete(sel, cursel, size); self.nudge_delete(sel, cursel, size);
return root_; return root_;
} }
@ -1539,11 +1539,11 @@ pub const Editor = struct {
} }
fn is_word_char_at_cursor(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool { fn is_word_char_at_cursor(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool {
return cursor.test_at(root, is_word_char, plane.metrix()); return cursor.test_at(root, is_word_char, plane.metrics());
} }
fn is_non_word_char_at_cursor(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool { fn is_non_word_char_at_cursor(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool {
return cursor.test_at(root, is_not_word_char, plane.metrix()); return cursor.test_at(root, is_not_word_char, plane.metrics());
} }
fn is_word_boundary_left(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool { fn is_word_boundary_left(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool {
@ -1552,7 +1552,7 @@ pub const Editor = struct {
if (is_non_word_char_at_cursor(root, cursor, plane)) if (is_non_word_char_at_cursor(root, cursor, plane))
return false; return false;
var next = cursor.*; var next = cursor.*;
next.move_left(root, plane.metrix()) catch return true; next.move_left(root, plane.metrics()) catch return true;
if (is_non_word_char_at_cursor(root, &next, plane)) if (is_non_word_char_at_cursor(root, &next, plane))
return true; return true;
return false; return false;
@ -1564,33 +1564,33 @@ pub const Editor = struct {
if (is_word_char_at_cursor(root, cursor, plane)) if (is_word_char_at_cursor(root, cursor, plane))
return false; return false;
var next = cursor.*; var next = cursor.*;
next.move_left(root, plane.metrix()) catch return true; next.move_left(root, plane.metrics()) catch return true;
if (is_word_char_at_cursor(root, &next, plane)) if (is_word_char_at_cursor(root, &next, plane))
return true; return true;
return false; return false;
} }
fn is_word_boundary_right(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool { fn is_word_boundary_right(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool {
const line_width = root.line_width(cursor.row, plane.metrix()) catch return true; const line_width = root.line_width(cursor.row, plane.metrics()) catch return true;
if (cursor.col >= line_width) if (cursor.col >= line_width)
return true; return true;
if (is_non_word_char_at_cursor(root, cursor, plane)) if (is_non_word_char_at_cursor(root, cursor, plane))
return false; return false;
var next = cursor.*; var next = cursor.*;
next.move_right(root, plane.metrix()) catch return true; next.move_right(root, plane.metrics()) catch return true;
if (is_non_word_char_at_cursor(root, &next, plane)) if (is_non_word_char_at_cursor(root, &next, plane))
return true; return true;
return false; return false;
} }
fn is_non_word_boundary_right(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool { fn is_non_word_boundary_right(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool {
const line_width = root.line_width(cursor.row, plane.metrix()) catch return true; const line_width = root.line_width(cursor.row, plane.metrics()) catch return true;
if (cursor.col >= line_width) if (cursor.col >= line_width)
return true; return true;
if (is_word_char_at_cursor(root, cursor, plane)) if (is_word_char_at_cursor(root, cursor, plane))
return false; return false;
var next = cursor.*; var next = cursor.*;
next.move_right(root, plane.metrix()) catch return true; next.move_right(root, plane.metrics()) catch return true;
if (is_word_char_at_cursor(root, &next, plane)) if (is_word_char_at_cursor(root, &next, plane))
return true; return true;
return false; return false;
@ -1603,14 +1603,14 @@ pub const Editor = struct {
} }
fn is_eol_right(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool { fn is_eol_right(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool {
const line_width = root.line_width(cursor.row, plane.metrix()) catch return true; const line_width = root.line_width(cursor.row, plane.metrics()) catch return true;
if (cursor.col >= line_width) if (cursor.col >= line_width)
return true; return true;
return false; return false;
} }
fn is_eol_right_vim(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool { fn is_eol_right_vim(root: Buffer.Root, cursor: *const Cursor, plane: Plane) bool {
const line_width = root.line_width(cursor.row, plane.metrix()) catch return true; const line_width = root.line_width(cursor.row, plane.metrics()) catch return true;
if (line_width == 0) return true; if (line_width == 0) return true;
if (cursor.col >= line_width - 1) if (cursor.col >= line_width - 1)
return true; return true;
@ -1618,7 +1618,7 @@ pub const Editor = struct {
} }
fn move_cursor_left(root: Buffer.Root, cursor: *Cursor, plane: Plane) error{Stop}!void { fn move_cursor_left(root: Buffer.Root, cursor: *Cursor, plane: Plane) error{Stop}!void {
try cursor.move_left(root, plane.metrix()); try cursor.move_left(root, plane.metrics());
} }
fn move_cursor_left_until(root: Buffer.Root, cursor: *Cursor, pred: cursor_predicate, plane: Plane) void { fn move_cursor_left_until(root: Buffer.Root, cursor: *Cursor, pred: cursor_predicate, plane: Plane) void {
@ -1637,11 +1637,11 @@ pub const Editor = struct {
fn smart_move_cursor_begin(root: Buffer.Root, cursor: *Cursor, plane: Plane) !void { fn smart_move_cursor_begin(root: Buffer.Root, cursor: *Cursor, plane: Plane) !void {
const first = find_first_non_ws(root, cursor.row, plane); const first = find_first_non_ws(root, cursor.row, plane);
return if (cursor.col == first) cursor.move_begin() else cursor.move_to(root, cursor.row, first, plane.metrix()); return if (cursor.col == first) cursor.move_begin() else cursor.move_to(root, cursor.row, first, plane.metrics());
} }
fn move_cursor_right(root: Buffer.Root, cursor: *Cursor, plane: Plane) error{Stop}!void { fn move_cursor_right(root: Buffer.Root, cursor: *Cursor, plane: Plane) error{Stop}!void {
try cursor.move_right(root, plane.metrix()); try cursor.move_right(root, plane.metrics());
} }
fn move_cursor_right_until(root: Buffer.Root, cursor: *Cursor, pred: cursor_predicate, plane: Plane) void { fn move_cursor_right_until(root: Buffer.Root, cursor: *Cursor, pred: cursor_predicate, plane: Plane) void {
@ -1655,15 +1655,15 @@ pub const Editor = struct {
} }
fn move_cursor_end(root: Buffer.Root, cursor: *Cursor, plane: Plane) !void { fn move_cursor_end(root: Buffer.Root, cursor: *Cursor, plane: Plane) !void {
cursor.move_end(root, plane.metrix()); cursor.move_end(root, plane.metrics());
} }
fn move_cursor_up(root: Buffer.Root, cursor: *Cursor, plane: Plane) !void { fn move_cursor_up(root: Buffer.Root, cursor: *Cursor, plane: Plane) !void {
try cursor.move_up(root, plane.metrix()); try cursor.move_up(root, plane.metrics());
} }
fn move_cursor_down(root: Buffer.Root, cursor: *Cursor, plane: Plane) !void { fn move_cursor_down(root: Buffer.Root, cursor: *Cursor, plane: Plane) !void {
try cursor.move_down(root, plane.metrix()); try cursor.move_down(root, plane.metrics());
} }
fn move_cursor_buffer_begin(_: Buffer.Root, cursor: *Cursor, _: Plane) !void { fn move_cursor_buffer_begin(_: Buffer.Root, cursor: *Cursor, _: Plane) !void {
@ -1671,15 +1671,15 @@ pub const Editor = struct {
} }
fn move_cursor_buffer_end(root: Buffer.Root, cursor: *Cursor, plane: Plane) !void { fn move_cursor_buffer_end(root: Buffer.Root, cursor: *Cursor, plane: Plane) !void {
cursor.move_buffer_end(root, plane.metrix()); cursor.move_buffer_end(root, plane.metrics());
} }
fn move_cursor_page_up(root: Buffer.Root, cursor: *Cursor, view: *const View, plane: Plane) !void { fn move_cursor_page_up(root: Buffer.Root, cursor: *Cursor, view: *const View, plane: Plane) !void {
cursor.move_page_up(root, view, plane.metrix()); cursor.move_page_up(root, view, plane.metrics());
} }
fn move_cursor_page_down(root: Buffer.Root, cursor: *Cursor, view: *const View, plane: Plane) !void { fn move_cursor_page_down(root: Buffer.Root, cursor: *Cursor, view: *const View, plane: Plane) !void {
cursor.move_page_down(root, view, plane.metrix()); cursor.move_page_down(root, view, plane.metrics());
} }
pub fn primary_click(self: *Self, y: c_int, x: c_int) !void { pub fn primary_click(self: *Self, y: c_int, x: c_int) !void {
@ -1692,7 +1692,7 @@ pub const Editor = struct {
self.selection_mode = .char; self.selection_mode = .char;
try self.send_editor_jump_source(); try self.send_editor_jump_source();
const root = self.buf_root() catch return; const root = self.buf_root() catch return;
primary.cursor.move_abs(root, &self.view, @intCast(y), @intCast(x), self.plane.metrix()) catch return; primary.cursor.move_abs(root, &self.view, @intCast(y), @intCast(x), self.plane.metrics()) catch return;
self.clamp_mouse(); self.clamp_mouse();
try self.send_editor_jump_destination(); try self.send_editor_jump_destination();
if (self.jump_mode) try self.goto_definition(.{}); if (self.jump_mode) try self.goto_definition(.{});
@ -1703,7 +1703,7 @@ pub const Editor = struct {
primary.selection = null; primary.selection = null;
self.selection_mode = .word; self.selection_mode = .word;
const root = self.buf_root() catch return; const root = self.buf_root() catch return;
primary.cursor.move_abs(root, &self.view, @intCast(y), @intCast(x), self.plane.metrix()) catch return; primary.cursor.move_abs(root, &self.view, @intCast(y), @intCast(x), self.plane.metrics()) catch return;
_ = try self.select_word_at_cursor(primary); _ = try self.select_word_at_cursor(primary);
self.clamp_mouse(); self.clamp_mouse();
} }
@ -1713,7 +1713,7 @@ pub const Editor = struct {
primary.selection = null; primary.selection = null;
self.selection_mode = .line; self.selection_mode = .line;
const root = self.buf_root() catch return; const root = self.buf_root() catch return;
primary.cursor.move_abs(root, &self.view, @intCast(y), @intCast(x), self.plane.metrix()) catch return; primary.cursor.move_abs(root, &self.view, @intCast(y), @intCast(x), self.plane.metrics()) catch return;
try self.select_line_at_cursor(primary); try self.select_line_at_cursor(primary);
self.clamp_mouse(); self.clamp_mouse();
} }
@ -1724,7 +1724,7 @@ pub const Editor = struct {
const primary = self.get_primary(); const primary = self.get_primary();
const sel = primary.enable_selection(); const sel = primary.enable_selection();
const root = self.buf_root() catch return; const root = self.buf_root() catch return;
sel.end.move_abs(root, &self.view, @intCast(y_), @intCast(x_), self.plane.metrix()) catch return; sel.end.move_abs(root, &self.view, @intCast(y_), @intCast(x_), self.plane.metrics()) catch return;
switch (self.selection_mode) { switch (self.selection_mode) {
.char => {}, .char => {},
.word => if (sel.begin.right_of(sel.end)) .word => if (sel.begin.right_of(sel.end))
@ -1882,9 +1882,9 @@ pub const Editor = struct {
fn copy_selection(root: Buffer.Root, sel: Selection, text_a: Allocator, plane: Plane) ![]const u8 { fn copy_selection(root: Buffer.Root, sel: Selection, text_a: Allocator, plane: Plane) ![]const u8 {
var size: usize = 0; var size: usize = 0;
_ = try root.get_range(sel, null, &size, null, plane.metrix()); _ = try root.get_range(sel, null, &size, null, plane.metrics());
const buf__ = try text_a.alloc(u8, size); const buf__ = try text_a.alloc(u8, size);
return (try root.get_range(sel, buf__, null, null, plane.metrix())).?; return (try root.get_range(sel, buf__, null, null, plane.metrics())).?;
} }
pub fn get_selection(self: *const Self, sel: Selection, text_a: Allocator) ![]const u8 { pub fn get_selection(self: *const Self, sel: Selection, text_a: Allocator) ![]const u8 {
@ -1921,7 +1921,7 @@ pub const Editor = struct {
var root_ = if (cursel.selection) |_| try self.delete_selection(root, cursel, a) else root; var root_ = if (cursel.selection) |_| try self.delete_selection(root, cursel, a) else root;
const cursor = &cursel.cursor; const cursor = &cursel.cursor;
const begin = cursel.cursor; const begin = cursel.cursor;
cursor.row, cursor.col, root_ = try root_.insert_chars(cursor.row, cursor.col, s, a, self.plane.metrix()); cursor.row, cursor.col, root_ = try root_.insert_chars(cursor.row, cursor.col, s, a, self.plane.metrics());
cursor.target = cursor.col; cursor.target = cursor.col;
self.nudge_insert(.{ .begin = begin, .end = cursor.* }, cursel, s.len); self.nudge_insert(.{ .begin = begin, .end = cursor.* }, cursel, s.len);
return root_; return root_;
@ -2126,7 +2126,7 @@ pub const Editor = struct {
fn move_cursor_word_left_space(root: Buffer.Root, cursor: *Cursor, plane: Plane) error{Stop}!void { fn move_cursor_word_left_space(root: Buffer.Root, cursor: *Cursor, plane: Plane) error{Stop}!void {
try move_cursor_left(root, cursor, plane); try move_cursor_left(root, cursor, plane);
var next = cursor.*; var next = cursor.*;
next.move_left(root, plane.metrix()) catch next.move_left(root, plane.metrics()) catch
return move_cursor_left_until(root, cursor, is_word_boundary_left, plane); return move_cursor_left_until(root, cursor, is_word_boundary_left, plane);
if (is_non_word_char_at_cursor(root, cursor, plane) and is_non_word_char_at_cursor(root, &next, plane)) if (is_non_word_char_at_cursor(root, cursor, plane) and is_non_word_char_at_cursor(root, &next, plane))
move_cursor_left_until(root, cursor, is_non_word_boundary_left, plane) move_cursor_left_until(root, cursor, is_non_word_boundary_left, plane)
@ -2146,7 +2146,7 @@ pub const Editor = struct {
pub fn move_cursor_word_right_space(root: Buffer.Root, cursor: *Cursor, plane: Plane) error{Stop}!void { pub fn move_cursor_word_right_space(root: Buffer.Root, cursor: *Cursor, plane: Plane) error{Stop}!void {
var next = cursor.*; var next = cursor.*;
next.move_right(root, plane.metrix()) catch { next.move_right(root, plane.metrics()) catch {
move_cursor_right_until(root, cursor, is_word_boundary_right, plane); move_cursor_right_until(root, cursor, is_word_boundary_right, plane);
try move_cursor_right(root, cursor, plane); try move_cursor_right(root, cursor, plane);
return; return;
@ -2182,7 +2182,7 @@ pub const Editor = struct {
return error.Stop; return error.Stop;
try move_cursor_left(root, cursor, plane); try move_cursor_left(root, cursor, plane);
while (true) { while (true) {
const curr_egc, _, _ = root.ecg_at(cursor.row, cursor.col, plane.metrix()) catch return error.Stop; const curr_egc, _, _ = root.ecg_at(cursor.row, cursor.col, plane.metrics()) catch return error.Stop;
if (std.mem.eql(u8, curr_egc, egc)) if (std.mem.eql(u8, curr_egc, egc))
return; return;
if (is_eol_left(root, cursor, plane)) if (is_eol_left(root, cursor, plane))
@ -2197,7 +2197,7 @@ pub const Editor = struct {
return error.Stop; return error.Stop;
try move_cursor_right(root, cursor, plane); try move_cursor_right(root, cursor, plane);
while (true) { while (true) {
const curr_egc, _, _ = root.ecg_at(cursor.row, cursor.col, plane.metrix()) catch return error.Stop; const curr_egc, _, _ = root.ecg_at(cursor.row, cursor.col, plane.metrics()) catch return error.Stop;
if (std.mem.eql(u8, curr_egc, egc)) if (std.mem.eql(u8, curr_egc, egc))
return; return;
if (is_eol_right(root, cursor, plane)) if (is_eol_right(root, cursor, plane))
@ -2258,7 +2258,7 @@ pub const Editor = struct {
const root = self.buf_root() catch return; const root = self.buf_root() catch return;
primary.selection = match.to_selection(); primary.selection = match.to_selection();
match.has_selection = true; match.has_selection = true;
primary.cursor.move_to(root, match.end.row, match.end.col, self.plane.metrix()) catch return; primary.cursor.move_to(root, match.end.row, match.end.col, self.plane.metrics()) catch return;
} }
self.clamp(); self.clamp();
try self.send_editor_jump_destination(); try self.send_editor_jump_destination();
@ -2273,7 +2273,7 @@ pub const Editor = struct {
const root = self.buf_root() catch return; const root = self.buf_root() catch return;
primary.selection = match.to_selection(); primary.selection = match.to_selection();
match.has_selection = true; match.has_selection = true;
primary.cursor.move_to(root, match.end.row, match.end.col, self.plane.metrix()) catch return; primary.cursor.move_to(root, match.end.row, match.end.col, self.plane.metrics()) catch return;
} }
self.clamp(); self.clamp();
try self.send_editor_jump_destination(); try self.send_editor_jump_destination();
@ -2292,7 +2292,7 @@ pub const Editor = struct {
.col = 0, .col = 0,
}, },
}; };
new_cursel.*.?.cursor.move_end(root, self.plane.metrix()); new_cursel.*.?.cursor.move_end(root, self.plane.metrics());
} }
} }
@ -2314,13 +2314,13 @@ pub const Editor = struct {
const cut_text = copy_selection(root, sel.*, sfa.get(), self.plane) catch return error.Stop; const cut_text = copy_selection(root, sel.*, sfa.get(), self.plane) catch return error.Stop;
defer a.free(cut_text); defer a.free(cut_text);
root = try self.delete_selection(root, cursel, a); root = try self.delete_selection(root, cursel, a);
try cursel.cursor.move_up(root, self.plane.metrix()); try cursel.cursor.move_up(root, self.plane.metrics());
root = self.insert(root, cursel, cut_text, a) catch return error.Stop; root = self.insert(root, cursel, cut_text, a) catch return error.Stop;
cursel.* = saved; cursel.* = saved;
try cursel.cursor.move_up(root, self.plane.metrix()); try cursel.cursor.move_up(root, self.plane.metrics());
if (cursel.selection) |*sel_| { if (cursel.selection) |*sel_| {
try sel_.begin.move_up(root, self.plane.metrix()); try sel_.begin.move_up(root, self.plane.metrics());
try sel_.end.move_up(root, self.plane.metrix()); try sel_.end.move_up(root, self.plane.metrics());
} }
return root; return root;
} }
@ -2340,13 +2340,13 @@ pub const Editor = struct {
const cut_text = copy_selection(root, sel.*, sfa.get(), self.plane) catch return error.Stop; const cut_text = copy_selection(root, sel.*, sfa.get(), self.plane) catch return error.Stop;
defer a.free(cut_text); defer a.free(cut_text);
root = try self.delete_selection(root, cursel, a); root = try self.delete_selection(root, cursel, a);
try cursel.cursor.move_down(root, self.plane.metrix()); try cursel.cursor.move_down(root, self.plane.metrics());
root = self.insert(root, cursel, cut_text, a) catch return error.Stop; root = self.insert(root, cursel, cut_text, a) catch return error.Stop;
cursel.* = saved; cursel.* = saved;
try cursel.cursor.move_down(root, self.plane.metrix()); try cursel.cursor.move_down(root, self.plane.metrics());
if (cursel.selection) |*sel_| { if (cursel.selection) |*sel_| {
try sel_.begin.move_down(root, self.plane.metrix()); try sel_.begin.move_down(root, self.plane.metrics());
try sel_.end.move_down(root, self.plane.metrix()); try sel_.end.move_down(root, self.plane.metrics());
} }
return root; return root;
} }
@ -2360,7 +2360,7 @@ pub const Editor = struct {
fn dupe_cursel_up(self: *Self, root_: Buffer.Root, cursel: *CurSel, a: Allocator) error{Stop}!Buffer.Root { fn dupe_cursel_up(self: *Self, root_: Buffer.Root, cursel: *CurSel, a: Allocator) error{Stop}!Buffer.Root {
var root = root_; var root = root_;
const sel: Selection = if (cursel.selection) |sel_| sel_ else Selection.line_from_cursor(cursel.cursor, root, self.plane.metrix()); const sel: Selection = if (cursel.selection) |sel_| sel_ else Selection.line_from_cursor(cursel.cursor, root, self.plane.metrics());
cursel.selection = null; cursel.selection = null;
var sfa = std.heap.stackFallback(4096, self.a); var sfa = std.heap.stackFallback(4096, self.a);
const text = copy_selection(root, sel, sfa.get(), self.plane) catch return error.Stop; const text = copy_selection(root, sel, sfa.get(), self.plane) catch return error.Stop;
@ -2381,7 +2381,7 @@ pub const Editor = struct {
fn dupe_cursel_down(self: *Self, root_: Buffer.Root, cursel: *CurSel, a: Allocator) error{Stop}!Buffer.Root { fn dupe_cursel_down(self: *Self, root_: Buffer.Root, cursel: *CurSel, a: Allocator) error{Stop}!Buffer.Root {
var root = root_; var root = root_;
const sel: Selection = if (cursel.selection) |sel_| sel_ else Selection.line_from_cursor(cursel.cursor, root, self.plane.metrix()); const sel: Selection = if (cursel.selection) |sel_| sel_ else Selection.line_from_cursor(cursel.cursor, root, self.plane.metrics());
cursel.selection = null; cursel.selection = null;
var sfa = std.heap.stackFallback(4096, self.a); var sfa = std.heap.stackFallback(4096, self.a);
const text = copy_selection(root, sel, sfa.get(), self.plane) catch return error.Stop; const text = copy_selection(root, sel, sfa.get(), self.plane) catch return error.Stop;
@ -2464,7 +2464,7 @@ pub const Editor = struct {
var newroot = root; var newroot = root;
defer { defer {
cursel.* = saved; cursel.* = saved;
cursel.cursor.clamp_to_buffer(newroot, self.plane.metrix()); cursel.cursor.clamp_to_buffer(newroot, self.plane.metrics());
} }
cursel.selection = null; cursel.selection = null;
cursel.cursor = cursor; cursel.cursor = cursor;
@ -2474,8 +2474,8 @@ pub const Editor = struct {
const cols = if (off == 0) 4 else off; const cols = if (off == 0) 4 else off;
const sel = cursel.enable_selection(); const sel = cursel.enable_selection();
sel.begin.move_begin(); sel.begin.move_begin();
try sel.end.move_to(root, sel.end.row, cols, self.plane.metrix()); try sel.end.move_to(root, sel.end.row, cols, self.plane.metrics());
if (cursel.cursor.col < cols) try cursel.cursor.move_to(root, cursel.cursor.row, cols, self.plane.metrix()); if (cursel.cursor.col < cols) try cursel.cursor.move_to(root, cursel.cursor.row, cols, self.plane.metrics());
newroot = try self.delete_selection(root, cursel, a); newroot = try self.delete_selection(root, cursel, a);
return newroot; return newroot;
} }
@ -2589,7 +2589,7 @@ pub const Editor = struct {
try self.send_editor_jump_source(); try self.send_editor_jump_source();
self.cancel_all_selections(); self.cancel_all_selections();
const root = self.buf_root() catch return; const root = self.buf_root() catch return;
self.get_primary().cursor.move_buffer_end(root, self.plane.metrix()); self.get_primary().cursor.move_buffer_end(root, self.plane.metrics());
self.clamp(); self.clamp();
try self.send_editor_jump_destination(); try self.send_editor_jump_destination();
} }
@ -2928,7 +2928,7 @@ pub const Editor = struct {
const primary = self.get_primary(); const primary = self.get_primary();
var tree = std.ArrayList(u8).init(self.a); var tree = std.ArrayList(u8).init(self.a);
defer tree.deinit(); defer tree.deinit();
root.debug_render_chunks(primary.cursor.row, &tree, self.plane.metrix()) catch |e| root.debug_render_chunks(primary.cursor.row, &tree, self.plane.metrics()) catch |e|
return self.logger.print("line {d}: {any}", .{ primary.cursor.row, e }); return self.logger.print("line {d}: {any}", .{ primary.cursor.row, e });
self.logger.print("line {d}:{s}", .{ primary.cursor.row, std.fmt.fmtSliceEscapeLower(tree.items) }); self.logger.print("line {d}:{s}", .{ primary.cursor.row, std.fmt.fmtSliceEscapeLower(tree.items) });
} }
@ -3184,8 +3184,8 @@ pub const Editor = struct {
const root = self.buf_root() catch return; const root = self.buf_root() catch return;
const begin_line = begin_line_ - 1; const begin_line = begin_line_ - 1;
const end_line = end_line_ - 1; const end_line = end_line_ - 1;
const begin_pos = root.pos_to_width(begin_line, begin_pos_, self.plane.metrix()) catch return; const begin_pos = root.pos_to_width(begin_line, begin_pos_, self.plane.metrics()) catch return;
const end_pos = root.pos_to_width(end_line, end_pos_, self.plane.metrix()) catch return; const end_pos = root.pos_to_width(end_line, end_pos_, self.plane.metrics()) catch return;
var match: Match = .{ .begin = .{ .row = begin_line, .col = begin_pos }, .end = .{ .row = end_line, .col = end_pos } }; var match: Match = .{ .begin = .{ .row = begin_line, .col = begin_pos }, .end = .{ .row = end_line, .col = end_pos } };
if (match.end.eql(self.get_primary().cursor)) if (match.end.eql(self.get_primary().cursor))
match.has_selection = true; match.has_selection = true;
@ -3241,7 +3241,7 @@ pub const Editor = struct {
if (self.scan_prev_match(cursor)) |match| return match; if (self.scan_prev_match(cursor)) |match| return match;
const root = self.buf_root() catch return null; const root = self.buf_root() catch return null;
var cursor_ = cursor; var cursor_ = cursor;
cursor_.move_buffer_end(root, self.plane.metrix()); cursor_.move_buffer_end(root, self.plane.metrics());
return self.scan_prev_match(cursor_); return self.scan_prev_match(cursor_);
} }
@ -3253,7 +3253,7 @@ pub const Editor = struct {
match_.has_selection = false; match_.has_selection = false;
}; };
primary.selection = match.to_selection(); primary.selection = match.to_selection();
primary.cursor.move_to(root, match.end.row, match.end.col, self.plane.metrix()) catch return; primary.cursor.move_to(root, match.end.row, match.end.col, self.plane.metrics()) catch return;
self.clamp(); self.clamp();
} }
} }
@ -3280,7 +3280,7 @@ pub const Editor = struct {
}; };
primary.selection = match.to_selection(); primary.selection = match.to_selection();
primary.selection.?.reverse(); primary.selection.?.reverse();
primary.cursor.move_to(root, match.begin.row, match.begin.col, self.plane.metrix()) catch return; primary.cursor.move_to(root, match.begin.row, match.begin.col, self.plane.metrics()) catch return;
self.clamp(); self.clamp();
} }
} }
@ -3327,7 +3327,7 @@ pub const Editor = struct {
const primary = self.get_primary(); const primary = self.get_primary();
try self.send_editor_jump_source(); try self.send_editor_jump_source();
self.cancel_all_selections(); self.cancel_all_selections();
try primary.cursor.move_to(root, diag.sel.begin.row, diag.sel.begin.col, self.plane.metrix()); try primary.cursor.move_to(root, diag.sel.begin.row, diag.sel.begin.col, self.plane.metrics());
self.clamp(); self.clamp();
try self.send_editor_jump_destination(); try self.send_editor_jump_destination();
} }
@ -3352,7 +3352,7 @@ pub const Editor = struct {
const root = self.buf_root() catch return; const root = self.buf_root() catch return;
self.cancel_all_selections(); self.cancel_all_selections();
const primary = self.get_primary(); const primary = self.get_primary();
try primary.cursor.move_to(root, @intCast(if (line < 1) 0 else line - 1), primary.cursor.col, self.plane.metrix()); try primary.cursor.move_to(root, @intCast(if (line < 1) 0 else line - 1), primary.cursor.col, self.plane.metrics());
self.clamp(); self.clamp();
try self.send_editor_jump_destination(); try self.send_editor_jump_destination();
} }
@ -3363,7 +3363,7 @@ pub const Editor = struct {
return error.InvalidArgument; return error.InvalidArgument;
const root = self.buf_root() catch return; const root = self.buf_root() catch return;
const primary = self.get_primary(); const primary = self.get_primary();
try primary.cursor.move_to(root, primary.cursor.row, @intCast(if (column < 1) 0 else column - 1), self.plane.metrix()); try primary.cursor.move_to(root, primary.cursor.row, @intCast(if (column < 1) 0 else column - 1), self.plane.metrics());
self.clamp(); self.clamp();
} }
@ -3396,7 +3396,7 @@ pub const Editor = struct {
root, root,
@intCast(if (line < 1) 0 else line - 1), @intCast(if (line < 1) 0 else line - 1),
@intCast(if (column < 1) 0 else column - 1), @intCast(if (column < 1) 0 else column - 1),
self.plane.metrix(), self.plane.metrics(),
); );
if (have_sel) primary.selection = sel; if (have_sel) primary.selection = sel;
if (self.view.is_visible(&primary.cursor)) if (self.view.is_visible(&primary.cursor))
@ -3538,7 +3538,7 @@ pub const Editor = struct {
try self.write_range(state.before_root, sel, buffer.writer(), tp.exit_error, null, self.plane); try self.write_range(state.before_root, sel, buffer.writer(), tp.exit_error, null, self.plane);
try buffer.flush(); try buffer.flush();
self.logger.print("filter: sent", .{}); self.logger.print("filter: sent", .{});
state.work_root = try state.work_root.delete_range(sel, buf_a_, null, self.plane.metrix()); state.work_root = try state.work_root.delete_range(sel, buf_a_, null, self.plane.metrics());
} }
fn filter_stdout(self: *Self, bytes: []const u8) !void { fn filter_stdout(self: *Self, bytes: []const u8) !void {
@ -3549,7 +3549,7 @@ pub const Editor = struct {
try buf.appendSlice(bytes); try buf.appendSlice(bytes);
} else { } else {
const cursor = &state.pos.cursor; const cursor = &state.pos.cursor;
cursor.row, cursor.col, state.work_root = try state.work_root.insert_chars(cursor.row, cursor.col, bytes, buf_a_, self.plane.metrix()); cursor.row, cursor.col, state.work_root = try state.work_root.insert_chars(cursor.row, cursor.col, bytes, buf_a_, self.plane.metrics());
state.bytes += bytes.len; state.bytes += bytes.len;
state.chunks += 1; state.chunks += 1;
} }
@ -3582,7 +3582,7 @@ pub const Editor = struct {
primary.cursor = sel.end; primary.cursor = sel.end;
} }
try self.update_buf(state.work_root); try self.update_buf(state.work_root);
primary.cursor.clamp_to_buffer(state.work_root, self.plane.metrix()); primary.cursor.clamp_to_buffer(state.work_root, self.plane.metrics());
self.logger.print("filter: done (bytes:{d} chunks:{d})", .{ state.bytes, state.chunks }); self.logger.print("filter: done (bytes:{d} chunks:{d})", .{ state.bytes, state.chunks });
self.reset_syntax(); self.reset_syntax();
self.clamp(); self.clamp();
@ -3879,10 +3879,10 @@ pub const PosToWidthCache = struct {
self.cache.clearRetainingCapacity(); self.cache.clearRetainingCapacity();
self.cached_line = start.row; self.cached_line = start.row;
self.cached_root = root; self.cached_root = root;
root.get_line_width_map(self.cached_line, &self.cache, plane.metrix()) catch return null; root.get_line_width_map(self.cached_line, &self.cache, plane.metrics()) catch return null;
} }
const start_col = if (start.column < self.cache.items.len) self.cache.items[start.column] else start.column; const start_col = if (start.column < self.cache.items.len) self.cache.items[start.column] else start.column;
const end_col = if (end.row == start.row and end.column < self.cache.items.len) self.cache.items[end.column] else root.pos_to_width(end.row, end.column, plane.metrix()) catch end.column; const end_col = if (end.row == start.row and end.column < self.cache.items.len) self.cache.items[end.column] else root.pos_to_width(end.row, end.column, plane.metrics()) catch end.column;
return .{ .begin = .{ .row = start.row, .col = start_col }, .end = .{ .row = end.row, .col = end_col } }; return .{ .begin = .{ .row = start.row, .col = start_col }, .end = .{ .row = end.row, .col = end_col } };
} }
}; };

2
src/tui/inspector_view.zig
View file

@ -81,7 +81,7 @@ fn inspect_location(self: *Self, row: usize, col: usize) void {
fn get_buffer_text(self: *Self, buf: []u8, sel: Buffer.Selection) ?[]const u8 { fn get_buffer_text(self: *Self, buf: []u8, sel: Buffer.Selection) ?[]const u8 {
const root = self.editor.get_current_root() orelse return null; const root = self.editor.get_current_root() orelse return null;
return root.get_range(sel, buf, null, null, self.plane.metrix()) catch return null; return root.get_range(sel, buf, null, null, self.plane.metrics()) catch return null;
} }
fn dump_highlight(self: *Self, range: syntax.Range, scope: []const u8, id: u32, _: usize, ast_node: *const syntax.Node) error{Stop}!void { fn dump_highlight(self: *Self, range: syntax.Range, scope: []const u8, id: u32, _: usize, ast_node: *const syntax.Node) error{Stop}!void {

2
test/tests_buffer.zig
View file

@ -4,7 +4,7 @@ const Buffer = @import("Buffer");
const ArrayList = std.ArrayList; const ArrayList = std.ArrayList;
const a = std.testing.allocator; const a = std.testing.allocator;
fn metrics() Buffer.Metrix { fn metrics() Buffer.Metrics {
return .{ return .{
.ctx = undefined, .ctx = undefined,
.egc_length = struct { .egc_length = struct {