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d2html.d.htm
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<html><head><title>d2html.d</title></head>
<body color='#000000' bgcolor='#FFFFFF'><pre><code>
<font color='#808080'>/*
* Copyright (c) 2001
* Pavel "EvilOne" Minayev
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Author makes no representations about
* the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*/</font>
<font color='#0000FF'>import</font> std.c.stdio;
<font color='#0000FF'>import</font> std.conv;
<font color='#0000FF'>import</font> std.<font color='#0000FF'>string</font>;
<font color='#0000FF'>import</font> std.stream; <font color='#808080'>// don't forget to link with stream.obj!
</font>
<font color='#808080'>// colors for syntax highlighting, default values are
</font>
<font color='#808080'>// my preferences in Microsoft Visual Studio editor
</font>
<font color='#0000FF'>class</font> Colors
{
<font color='#0000FF'>static</font> <font color='#0000FF'>string</font> keyword = <font color='#000080'>"0000FF"</font>;
<font color='#0000FF'>static</font> <font color='#0000FF'>string</font> number = <font color='#000080'>"008000"</font>;
<font color='#0000FF'>static</font> <font color='#0000FF'>string</font> astring = <font color='#000080'>"000080"</font>;
<font color='#0000FF'>static</font> <font color='#0000FF'>string</font> comment = <font color='#000080'>"808080"</font>;
}
<font color='#0000FF'>const</font> <font color='#0000FF'>int</font> tabsize = <font color='#008000'>4</font>; <font color='#808080'>// number of spaces in tab
</font>
<font color='#0000FF'>const</font> <font color='#0000FF'>char</font>[<font color='#008000'>24</font>] symbols = <font color='#000080'>"()[]{}.,;:=<>+-*/%&|^!~?"</font>;
<font color='#0000FF'>string</font>[] keywords;
<font color='#808080'>// true if c is whitespace, false otherwise
</font>
<font color='#0000FF'>byte</font> isspace(<font color='#0000FF'>char</font> c)
{
<font color='#0000FF'>return</font> indexOf(whitespace, c) >= <font color='#008000008000'>0;</font>
}
<font color='#808080'>// true if c is a letter or an underscore, false otherwise
</font>
<font color='#0000FF'>byte</font> isalpha(<font color='#0000FF'>char</font> c)
{
<font color='#808080'>// underscore doesn't differ from letters in D anyhow...
</font>
<font color='#0000FF'>return</font> c == <font color='#000080'>'_'</font> || indexOf(letters, c) >= <font color='#008000008000'>0;</font>
}
<font color='#808080'>// true if c is a decimal digit, false otherwise
</font>
<font color='#0000FF'>byte</font> isdigit(<font color='#0000FF'>char</font> c)
{
<font color='#0000FF'>return</font> indexOf(digits, c) >= <font color='#008000008000'>0;</font>
}
<font color='#808080'>// true if c is a hexadecimal digit, false otherwise
</font>
<font color='#0000FF'>byte</font> ishexdigit(<font color='#0000FF'>char</font> c)
{
<font color='#0000FF'>return</font> indexOf(hexdigits, c) >= <font color='#008000008000'>0;</font>
}
<font color='#808080'>// true if c is an octal digit, false otherwise
</font>
<font color='#0000FF'>byte</font> isoctdigit(<font color='#0000FF'>char</font> c)
{
<font color='#0000FF'>return</font> indexOf(octdigits, c) >= <font color='#008000008000'>0;</font>
}
<font color='#808080'>// true if c is legal D symbol other than above, false otherwise
</font>
<font color='#0000FF'>byte</font> issymbol(<font color='#0000FF'>char</font> c)
{
<font color='#0000FF'>return</font> indexOf(symbols, c) >= <font color='#008000008000'>0;</font>
}
<font color='#808080'>// true if token is a D keyword, false otherwise
</font>
<font color='#0000FF'>byte</font> iskeyword(<font color='#0000FF'>string</font> token)
{
<font color='#0000FF'>foreach</font> (index, key; keywords)
{
<font color='#0000FF'>if</font> (!cmp(keywords[index], token))
<font color='#0000FF'>return</font> <font color='#0000FF'>true</font>;
}
<font color='#0000FF'>return</font> <font color='#0000FF'>false</font>;
}
<font color='#0000FF'>int</font> main(<font color='#0000FF'>string</font>[] args)
{
<font color='#808080'>// need help?
</font>
<font color='#0000FF'>if</font> (args.length < <font color='#008000'>2</font> || args.length > <font color='#008000'>3</font>)
{
printf(<font color='#000080'>"D to HTML converter\n"</font>
<font color='#000080'>"Usage: D2HTML <program>.d [<file>.htm]\n"</font>);
<font color='#0000FF'>return</font> <font color='#008000008000'>0;</font>
}
<font color='#808080'>// auto-name output file
</font>
<font color='#0000FF'>if</font> (args.length == <font color='#008000'>2</font>)
args ~= args[<font color='#008000'>1</font>] ~ <font color='#000080'>".htm"</font>;
<font color='#808080'>// load keywords
</font>
File kwd = <font color='#0000FF'>new</font> File(<font color='#000080'>"d2html.kwd"</font>);
<font color='#0000FF'>while</font> (!kwd.eof())
keywords ~= to!<font color='#0000FF'>string</font>(kwd.readLine());
kwd.close();
<font color='#808080'>// open input and output files
</font>
File src = <font color='#0000FF'>new</font> File(args[<font color='#008000'>1</font>]), dst = <font color='#0000FF'>new</font> File;
dst.create(args[<font color='#008000'>2</font>]);
<font color='#808080'>// write HTML header
</font>
dst.writeLine(<font color='#000080'>"<html><head><title>"</font> ~ args[<font color='#008000'>1</font>] ~ <font color='#000080'>"</title></head>"</font>);
dst.writeLine(<font color='#000080'>"<body color='#000000' bgcolor='#FFFFFF'><pre><code>"</font>);
<font color='#808080'>// the main part is wrapped into try..catch block because
</font>
<font color='#808080'>// when end of file is reached, an exception is raised;
</font>
<font color='#808080'>// so we can omit any checks for EOF inside this block...
</font>
<font color='#0000FF'>try</font>
{
<font color='#0000FF'>ulong</font> linestart = <font color='#008000008000'>0;</font> <font color='#808080'>// for tabs
</font>
<font color='#0000FF'>char</font> c;
src.read(c);
<font color='#0000FF'>while</font> (<font color='#0000FF'>true</font>)
{
<font color='#0000FF'>if</font> (isspace(c)) <font color='#808080'>// whitespace
</font>
{
<font color='#0000FF'>do</font>
{
<font color='#0000FF'>if</font> (c == <font color='#008000'>9</font>)
{
<font color='#808080'>// expand tabs to spaces
</font>
<font color='#0000FF'>auto</font> spaces = tabsize -
(src.position() - linestart) % tabsize;
<font color='#0000FF'>for</font> (<font color='#0000FF'>int</font> i = <font color='#008000008000'>0;</font> i < spaces; i++)
dst.writeString(<font color='#000080'>" "</font>);
linestart = src.position() - tabsize + <font color='#008000'>1</font>;
}
<font color='#0000FF'>else</font>
{
<font color='#808080'>// reset line start on newline
</font>
<font color='#0000FF'>if</font> (c == <font color='#008000'>10</font> || c == <font color='#008000'>13</font>)
linestart = src.position() + <font color='#008000'>1</font>;
dst.write(c);
}
src.read(c);
} <font color='#0000FF'>while</font> (isspace(c));
}
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> (isalpha(c)) <font color='#808080'>// keyword or identifier
</font>
{
<font color='#0000FF'>string</font> token;
<font color='#0000FF'>do</font>
{
token ~= c;
src.read(c);
} <font color='#0000FF'>while</font> (isalpha(c) || isdigit(c));
<font color='#0000FF'>if</font> (iskeyword(token)) <font color='#808080'>// keyword
</font>
dst.writeString(<font color='#000080'>"<font color='#"</font> ~ Colors.keyword ~
<font color='#000080'>"'>"</font> ~ token ~ <font color='#000080'>"</font>"</font>);
<font color='#0000FF'>else</font> <font color='#808080'>// simple identifier
</font>
dst.writeString(token);
}
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> (c == <font color='#000080'>'0'</font>) <font color='#808080'>// binary, octal or hexadecimal number
</font>
{
dst.writeString(<font color='#000080'>"<font color='#"</font> ~ Colors.number ~ <font color='#000080'>"008000'>"</font>);
dst.write(c);
src.read(c);
<font color='#0000FF'>if</font> (c == <font color='#000080'>'X'</font> || c == <font color='#000080'>'x'</font>) <font color='#808080'>// hexadecimal
</font>
{
dst.write(c);
src.read(c);
<font color='#0000FF'>while</font> (ishexdigit(c))
dst.write(c);
<font color='#808080'>// TODO: add support for hexadecimal floats
</font>
}
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> (c == <font color='#000080'>'B'</font> || c == <font color='#000080'>'b'</font>) <font color='#808080'>// binary
</font>
{
dst.write(c);
src.read(c);
<font color='#0000FF'>while</font> (c == <font color='#000080'>'0'</font> || c == <font color='#000080'>'1'</font>)
dst.write(c);
}
<font color='#0000FF'>else</font> <font color='#808080'>// octal
</font>
{
<font color='#0000FF'>do</font>
{
dst.write(c);
src.read(c);
} <font color='#0000FF'>while</font> (isoctdigit(c));
}
dst.writeString(<font color='#000080'>"</font>"</font>);
}
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> (c == <font color='#000080'>'#'</font>) <font color='#808080'>// hash
</font>
{
dst.write(c);
src.read(c);
}
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> (c == <font color='#000080'>'\\'</font>) <font color='#808080'>// backward slash
</font>
{
dst.write(c);
src.read(c);
}
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> (isdigit(c)) <font color='#808080'>// decimal number
</font>
{
dst.writeString(<font color='#000080'>"<font color='#"</font> ~ Colors.number ~ <font color='#000080'>"'>"</font>);
<font color='#808080'>// integral part
</font>
<font color='#0000FF'>do</font>
{
dst.write(c);
src.read(c);
} <font color='#0000FF'>while</font> (isdigit(c));
<font color='#808080'>// fractional part
</font>
<font color='#0000FF'>if</font> (c == <font color='#000080'>'.'</font>)
{
dst.write(c);
src.read(c);
<font color='#0000FF'>while</font> (isdigit(c))
{
dst.write(c);
src.read(c);
}
}
<font color='#808080'>// scientific notation
</font>
<font color='#0000FF'>if</font> (c == <font color='#000080'>'E'</font> || c == <font color='#000080'>'e'</font>)
{
dst.write(c);
src.read(c);
<font color='#0000FF'>if</font> (c == <font color='#000080'>'+'</font> || c == <font color='#000080'>'-'</font>)
{
dst.write(c);
src.read(c);
}
<font color='#0000FF'>while</font> (isdigit(c))
{
dst.write(c);
src.read(c);
}
}
<font color='#808080'>// suffices
</font>
<font color='#0000FF'>while</font> (c == <font color='#000080'>'U'</font> || c == <font color='#000080'>'u'</font> || c == <font color='#000080'>'L'</font> ||
c == <font color='#000080'>'l'</font> || c == <font color='#000080'>'F'</font> || c == <font color='#000080'>'f'</font>)
{
dst.write(c);
src.read(c);
}
dst.writeString(<font color='#000080'>"</font>"</font>);
}
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> (c == <font color='#000080'>'\'</font><font color='#000080'>') // string without escape sequences
{
dst.writeString("<font color='</font>#<font color='#000080'>" ~ Colors.astring ~ "</font><font color='#000080'>'>");
do
{
if (c == '</font><<font color='#000080'>') // special symbol in HTML
dst.writeString("<");
else
dst.write(c);
src.read(c);
} while (c != '</font>\<font color='#000080'>''</font>);
dst.write(c);
src.read(c);
dst.writeString(<font color='#000080'>"</font>"</font>);
}
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> (c == <font color='#008000'>34</font>) <font color='#808080'>// string with escape sequences
</font>
{
dst.writeString(<font color='#000080'>"<font color='#"</font> ~ Colors.astring ~ <font color='#000080'>"'>"</font>);
<font color='#0000FF'>char</font> prev; <font color='#808080'>// used to handle \" properly
</font>
<font color='#0000FF'>do</font>
{
<font color='#0000FF'>if</font> (c == <font color='#000080'>'<'</font>) <font color='#808080'>// special symbol in HTML
</font>
dst.writeString(<font color='#000080'>"<"</font>);
<font color='#0000FF'>else</font>
dst.write(c);
prev = c;
src.read(c);
} <font color='#0000FF'>while</font> (!(c == <font color='#008000'>34</font> && prev != <font color='#000080'>'\\'</font>)); <font color='#808080'>// handle \"
</font>
dst.write(c);
src.read(c);
dst.writeString(<font color='#000080'>"</font>"</font>);
}
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> (issymbol(c)) <font color='#808080'>// either operator or comment
</font>
{
<font color='#0000FF'>if</font> (c == <font color='#000080'>'<'</font>) <font color='#808080'>// special symbol in HTML
</font>
{
dst.writeString(<font color='#000080'>"<"</font>);
src.read(c);
}
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> (c == <font color='#000080'>'/'</font>) <font color='#808080'>// could be a comment...
</font>
{
src.read(c);
<font color='#0000FF'>if</font> (c == <font color='#000080'>'/'</font>) <font color='#808080'>// single-line one
</font>
{
dst.writeString(<font color='#000080'>"<font color='#"</font> ~ Colors.comment ~ <font color='#000080'>"'>/"</font>);
<font color='#0000FF'>while</font> (c != <font color='#008000'>10</font>)
{
<font color='#0000FF'>if</font> (c == <font color='#000080'>'<'</font>) <font color='#808080'>// special symbol in HTML
</font>
dst.writeString(<font color='#000080'>"<"</font>);
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> (c == <font color='#008000'>9</font>)
{
<font color='#808080'>// expand tabs
</font>
<font color='#0000FF'>auto</font> spaces2 = tabsize -
(src.position() - linestart) % tabsize;
<font color='#0000FF'>for</font> (<font color='#0000FF'>int</font> i2 = <font color='#008000008000'>0;</font> i2 < spaces2; i2++)
dst.writeString(<font color='#000080'>" "</font>);
linestart = src.position() - tabsize + <font color='#008000'>1</font>;
}
<font color='#0000FF'>else</font>
dst.write(c);
src.read(c);
}
dst.writeString(<font color='#000080'>"</font>"</font>);
}
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> (c == <font color='#000080'>'*'</font>) <font color='#808080'>// multi-line one
</font>
{
dst.writeString(<font color='#000080'>"<font color='#"</font> ~ Colors.comment ~ <font color='#000080'>"'>/"</font>);
<font color='#0000FF'>char</font> prev2;
<font color='#0000FF'>do</font>
{
<font color='#0000FF'>if</font> (c == <font color='#000080'>'<'</font>) <font color='#808080'>// special symbol in HTML
</font>
dst.writeString(<font color='#000080'>"<"</font>);
<font color='#0000FF'>else</font> <font color='#0000FF'>if</font> (c == <font color='#008000'>9</font>)
{
<font color='#808080'>// expand tabs
</font>
<font color='#0000FF'>auto</font> spaces3 = tabsize -
(src.position() - linestart) % tabsize;
<font color='#0000FF'>for</font> (<font color='#0000FF'>int</font> i3 = <font color='#008000008000'>0;</font> i3 < spaces3; i3++)
dst.writeString(<font color='#000080'>" "</font>);
linestart = src.position() - tabsize + <font color='#008000'>1</font>;
}
<font color='#0000FF'>else</font>
{
<font color='#808080'>// reset line start on newline
</font>
<font color='#0000FF'>if</font> (c == <font color='#008000'>10</font> || c == <font color='#008000'>13</font>)
linestart = src.position() + <font color='#008000'>1</font>;
dst.write(c);
}
prev2 = c;
src.read(c);
} <font color='#0000FF'>while</font> (!(c == <font color='#000080'>'/'</font> && prev2 == <font color='#000080'>'*'</font>));
dst.write(c);
dst.writeString(<font color='#000080'>"</font>"</font>);
src.read(c);
}
<font color='#0000FF'>else</font> <font color='#808080'>// just an operator
</font>
dst.write(<font color='#0000FF'>cast</font>(<font color='#0000FF'>char</font>) <font color='#000080'>'/'</font>);
}
<font color='#0000FF'>else</font> <font color='#808080'>// just an operator
</font>
{
dst.write(c);
src.read(c);
}
}
<font color='#0000FF'>else</font>
<font color='#808080'>// whatever it is, it's not a valid D token
</font>
<font color='#0000FF'>throw</font> <font color='#0000FF'>new</font> Error(<font color='#000080'>"unrecognized token"</font>);
<font color='#808080'>//~ break;
</font>
}
}
<font color='#808080'>// if end of file is reached and we try to read something
</font>
<font color='#808080'>// with typed read(), a ReadError is thrown; in our case,
</font>
<font color='#808080'>// this means that job is successfully done
</font>
<font color='#0000FF'>catch</font> (Exception e)
{
<font color='#808080'>// write HTML footer
</font>
dst.writeLine(<font color='#000080'>"</code></pre></body></html>"</font>);
}
<font color='#0000FF'>return</font> <font color='#008000008000'>0;</font>
}
</code></pre></body></html>