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|
const std = @import("std");
const builtin = @import("builtin");
const io = std.io;
const fs = std.fs;
const process = std.process;
const ChildProcess = std.ChildProcess;
const Progress = std.Progress;
const print = std.debug.print;
const mem = std.mem;
const testing = std.testing;
const Allocator = std.mem.Allocator;
const Module = @import("../Module.zig");
pub fn genHtml(
allocator: Allocator,
src: *Module.File,
out: anytype,
) !void {
try out.writeAll(
\\<!doctype html>
\\<html lang="en">
\\<head>
\\ <meta charset="utf-8">
\\ <meta name="viewport" content="width=device-width, initial-scale=1.0">
);
try out.print(" <title>{s} - source view</title>\n", .{src.sub_file_path});
try out.writeAll(
\\ <link rel="icon" href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAPNJREFUeNpi/P//PwMlgOXHUjly9E0G4hwgZmQiQZMqEK8H4v9QzUEgQSaoADK+zhH9iAGL+C0gDoAaNg9mGLoLfgA1awK9hS9gzgJxA9RQBmQDrgMxJzRMGKE4HYj/Ial5A8QmQLwCJoBsgBYW2+TR1ChDaWt4LOBxKsi/VUh8XiD+gq4IVyzwQAMJBoKwacZlAB8Qf0bi96IZhtOAe1D6LpqaEiz6rmEzQAeIzwGxCJpieFqApo/vQKyJboAaEBsAsSEupwI1MwKjGBTVHOhegMX5UajYRqiBjMgYmj400cVh0XgTiKdC0zhJgJHS7AwQYABm9EAdCKrEfAAAAABJRU5ErkJggg=="/>
\\ <style>
\\ body{
\\ font-family: system-ui, -apple-system, Roboto, "Segoe UI", sans-serif;
\\ margin: 0;
\\ line-height: 1.5;
\\ }
\\
\\ pre > code {
\\ display: block;
\\ overflow: auto;
\\ line-height: normal;
\\ margin: 0em;
\\ }
\\ .tok-kw {
\\ color: #333;
\\ font-weight: bold;
\\ }
\\ .tok-str {
\\ color: #d14;
\\ }
\\ .tok-builtin {
\\ color: #005C7A;
\\ }
\\ .tok-comment {
\\ color: #545454;
\\ font-style: italic;
\\ }
\\ .tok-fn {
\\ color: #900;
\\ font-weight: bold;
\\ }
\\ .tok-null {
\\ color: #005C5C;
\\ }
\\ .tok-number {
\\ color: #005C5C;
\\ }
\\ .tok-type {
\\ color: #458;
\\ font-weight: bold;
\\ }
\\ pre {
\\ counter-reset: line;
\\ }
\\ pre .line:before {
\\ counter-increment: line;
\\ content: counter(line);
\\ display: inline-block;
\\ padding-right: 1em;
\\ width: 2em;
\\ text-align: right;
\\ color: #999;
\\ }
\\
\\ .line {
\\ width: 100%;
\\ display: inline-block;
\\ }
\\ .line:target {
\\ border-top: 1px solid #ccc;
\\ border-bottom: 1px solid #ccc;
\\ background: #fafafa;
\\ }
\\
\\ @media (prefers-color-scheme: dark) {
\\ body{
\\ background:#222;
\\ color: #ccc;
\\ }
\\ pre > code {
\\ color: #ccc;
\\ background: #222;
\\ border: unset;
\\ }
\\ .line:target {
\\ border-top: 1px solid #444;
\\ border-bottom: 1px solid #444;
\\ background: #333;
\\ }
\\ .tok-kw {
\\ color: #eee;
\\ }
\\ .tok-str {
\\ color: #2e5;
\\ }
\\ .tok-builtin {
\\ color: #ff894c;
\\ }
\\ .tok-comment {
\\ color: #aa7;
\\ }
\\ .tok-fn {
\\ color: #B1A0F8;
\\ }
\\ .tok-null {
\\ color: #ff8080;
\\ }
\\ .tok-number {
\\ color: #ff8080;
\\ }
\\ .tok-type {
\\ color: #68f;
\\ }
\\ }
\\ </style>
\\</head>
\\<body>
\\
);
const source = try src.getSource(allocator);
try tokenizeAndPrintRaw(out, source.bytes);
try out.writeAll(
\\</body>
\\</html>
);
}
const start_line = "<span class=\"line\" id=\"L{d}\">";
const end_line = "</span>\n";
var line_counter: usize = 1;
pub fn tokenizeAndPrintRaw(
out: anytype,
src: [:0]const u8,
) !void {
line_counter = 1;
try out.print("<pre><code>" ++ start_line, .{line_counter});
var tokenizer = std.zig.Tokenizer.init(src);
var index: usize = 0;
var next_tok_is_fn = false;
while (true) {
const prev_tok_was_fn = next_tok_is_fn;
next_tok_is_fn = false;
const token = tokenizer.next();
if (mem.indexOf(u8, src[index..token.loc.start], "//")) |comment_start_off| {
// render one comment
const comment_start = index + comment_start_off;
const comment_end_off = mem.indexOf(u8, src[comment_start..token.loc.start], "\n");
const comment_end = if (comment_end_off) |o| comment_start + o else token.loc.start;
try writeEscapedLines(out, src[index..comment_start]);
try out.writeAll("<span class=\"tok-comment\">");
try writeEscaped(out, src[comment_start..comment_end]);
try out.writeAll("</span>\n");
index = comment_end;
tokenizer.index = index;
continue;
}
try writeEscapedLines(out, src[index..token.loc.start]);
switch (token.tag) {
.eof => break,
.keyword_addrspace,
.keyword_align,
.keyword_and,
.keyword_asm,
.keyword_async,
.keyword_await,
.keyword_break,
.keyword_catch,
.keyword_comptime,
.keyword_const,
.keyword_continue,
.keyword_defer,
.keyword_else,
.keyword_enum,
.keyword_errdefer,
.keyword_error,
.keyword_export,
.keyword_extern,
.keyword_for,
.keyword_if,
.keyword_inline,
.keyword_noalias,
.keyword_noinline,
.keyword_nosuspend,
.keyword_opaque,
.keyword_or,
.keyword_orelse,
.keyword_packed,
.keyword_anyframe,
.keyword_pub,
.keyword_resume,
.keyword_return,
.keyword_linksection,
.keyword_callconv,
.keyword_struct,
.keyword_suspend,
.keyword_switch,
.keyword_test,
.keyword_threadlocal,
.keyword_try,
.keyword_union,
.keyword_unreachable,
.keyword_usingnamespace,
.keyword_var,
.keyword_volatile,
.keyword_allowzero,
.keyword_while,
.keyword_anytype,
=> {
try out.writeAll("<span class=\"tok-kw\">");
try writeEscaped(out, src[token.loc.start..token.loc.end]);
try out.writeAll("</span>");
},
.keyword_fn => {
try out.writeAll("<span class=\"tok-kw\">");
try writeEscaped(out, src[token.loc.start..token.loc.end]);
try out.writeAll("</span>");
next_tok_is_fn = true;
},
.string_literal,
.char_literal,
=> {
try out.writeAll("<span class=\"tok-str\">");
try writeEscaped(out, src[token.loc.start..token.loc.end]);
try out.writeAll("</span>");
},
.multiline_string_literal_line => {
if (src[token.loc.end - 1] == '\n') {
try out.writeAll("<span class=\"tok-str\">");
try writeEscaped(out, src[token.loc.start .. token.loc.end - 1]);
line_counter += 1;
try out.print("</span>" ++ end_line ++ "\n" ++ start_line, .{line_counter});
} else {
try out.writeAll("<span class=\"tok-str\">");
try writeEscaped(out, src[token.loc.start..token.loc.end]);
try out.writeAll("</span>");
}
},
.builtin => {
try out.writeAll("<span class=\"tok-builtin\">");
try writeEscaped(out, src[token.loc.start..token.loc.end]);
try out.writeAll("</span>");
},
.doc_comment,
.container_doc_comment,
=> {
try out.writeAll("<span class=\"tok-comment\">");
try writeEscaped(out, src[token.loc.start..token.loc.end]);
try out.writeAll("</span>");
},
.identifier => {
const tok_bytes = src[token.loc.start..token.loc.end];
if (mem.eql(u8, tok_bytes, "undefined") or
mem.eql(u8, tok_bytes, "null") or
mem.eql(u8, tok_bytes, "true") or
mem.eql(u8, tok_bytes, "false"))
{
try out.writeAll("<span class=\"tok-null\">");
try writeEscaped(out, tok_bytes);
try out.writeAll("</span>");
} else if (prev_tok_was_fn) {
try out.writeAll("<span class=\"tok-fn\">");
try writeEscaped(out, tok_bytes);
try out.writeAll("</span>");
} else {
const is_int = blk: {
if (src[token.loc.start] != 'i' and src[token.loc.start] != 'u')
break :blk false;
var i = token.loc.start + 1;
if (i == token.loc.end)
break :blk false;
while (i != token.loc.end) : (i += 1) {
if (src[i] < '0' or src[i] > '9')
break :blk false;
}
break :blk true;
};
if (is_int or isType(tok_bytes)) {
try out.writeAll("<span class=\"tok-type\">");
try writeEscaped(out, tok_bytes);
try out.writeAll("</span>");
} else {
try writeEscaped(out, tok_bytes);
}
}
},
.number_literal => {
try out.writeAll("<span class=\"tok-number\">");
try writeEscaped(out, src[token.loc.start..token.loc.end]);
try out.writeAll("</span>");
},
.bang,
.pipe,
.pipe_pipe,
.pipe_equal,
.equal,
.equal_equal,
.equal_angle_bracket_right,
.bang_equal,
.l_paren,
.r_paren,
.semicolon,
.percent,
.percent_equal,
.l_brace,
.r_brace,
.l_bracket,
.r_bracket,
.period,
.period_asterisk,
.ellipsis2,
.ellipsis3,
.caret,
.caret_equal,
.plus,
.plus_plus,
.plus_equal,
.plus_percent,
.plus_percent_equal,
.plus_pipe,
.plus_pipe_equal,
.minus,
.minus_equal,
.minus_percent,
.minus_percent_equal,
.minus_pipe,
.minus_pipe_equal,
.asterisk,
.asterisk_equal,
.asterisk_asterisk,
.asterisk_percent,
.asterisk_percent_equal,
.asterisk_pipe,
.asterisk_pipe_equal,
.arrow,
.colon,
.slash,
.slash_equal,
.comma,
.ampersand,
.ampersand_equal,
.question_mark,
.angle_bracket_left,
.angle_bracket_left_equal,
.angle_bracket_angle_bracket_left,
.angle_bracket_angle_bracket_left_equal,
.angle_bracket_angle_bracket_left_pipe,
.angle_bracket_angle_bracket_left_pipe_equal,
.angle_bracket_right,
.angle_bracket_right_equal,
.angle_bracket_angle_bracket_right,
.angle_bracket_angle_bracket_right_equal,
.tilde,
=> try writeEscaped(out, src[token.loc.start..token.loc.end]),
.invalid, .invalid_periodasterisks => return error.ParseError,
}
index = token.loc.end;
}
try out.writeAll(end_line ++ "</code></pre>");
}
fn writeEscapedLines(out: anytype, text: []const u8) !void {
for (text) |char| {
if (char == '\n') {
try out.writeAll(end_line);
line_counter += 1;
try out.print(start_line, .{line_counter});
} else {
try writeEscaped(out, &[_]u8{char});
}
}
}
fn writeEscaped(out: anytype, input: []const u8) !void {
for (input) |c| {
try switch (c) {
'&' => out.writeAll("&"),
'<' => out.writeAll("<"),
'>' => out.writeAll(">"),
'"' => out.writeAll("""),
else => out.writeByte(c),
};
}
}
const builtin_types = [_][]const u8{
"f16", "f32", "f64", "f80", "f128",
"c_longdouble", "c_short", "c_ushort", "c_int", "c_uint",
"c_long", "c_ulong", "c_longlong", "c_ulonglong", "c_char",
"anyopaque", "void", "bool", "isize", "usize",
"noreturn", "type", "anyerror", "comptime_int", "comptime_float",
};
fn isType(name: []const u8) bool {
for (builtin_types) |t| {
if (mem.eql(u8, t, name))
return true;
}
return false;
}
|
