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#!/usr/bin/env pike
// Converts CHANGES to an XML form used to port change notes on pike.ida.liu.se
// Usage: tools/changes2html.pike CHANGES | xclip (And then paste into CMS)
constant sub = "---"; //If a line begins with this the line above is a header.
void main(int argc, array argv)
{
string changes = Stdio.read_file(argv[1]);
string state = "INIT";
string out, tmp;
out = "<column charwidth='60'>\n\n";
foreach(changes/"\n", string line)
{
line -= "\r";
// werror("state: %O\nout: %O\ntmp: %O\nline: %O\n-------\n", state, out, tmp, line);
switch(state) {
case "INIT":
if(!text(line))
continue;
if(line[0..sizeof(sub)-1] == sub)
{
out += make_header(1, tmp);
state = "NONE";
continue;
}
if(sizeof(line)>=sizeof(sub))
tmp = line;
continue;
case "NONE":
if(!text(line))
continue;
if(line[0..1] == "o ")
{
tmp = line[2..]+"\n";
out += make_list_start();
state = "BULLET";
continue;
}
tmp = line;
state = "HEADER"; //FIXME: large assumption, really should be TEXT.
continue;
case "TEXT":
exit(1, "FATAL: unhandled state 'TEXT'\n");
case "HEADER":
//We only want the latest batch of changes.
if(has_prefix(tmp, "Changes since Pike"))
{
out += "</column>\n";
//Tweaks
//Remove 2nd empty <p>. Should really be done in make_bullet()
out = replace(out,
({ "\n<p>\n</p><p>\n</p>" }),
({ "\n<p></p>" }));
//Remove ":" at end of header line
out = replace(out,
({ ":</b>" }),
({ "</b>" }));
//Things that still has to be fixed manually:
// o Sub-bullets (could be automated easily)
// o One sentence bullets spread over several lines (trivial a)
// o Run-on descriptions with no clear bullet header (resonable method for some: Let "(Fixed bug .*) ((that|where) .*)" be header: /1, body: /2)
// o Putting emphasis on "You are encouraged to ugrade just for this fix .*" sentences. (trivial a)
write(out);
exit(0);
}
if(line[0..sizeof(sub)-1] == sub)
{
out += make_header(2, tmp);
state = "NONE";
continue;
} else
exit(1, "FATAL: Header state without underline.\n");
continue;
case "BULLET": //broken by header or new bullet (or unindented text?)
if(line[0..1] == "o ")
{
out += make_bullet(tmp);
tmp = line[2..]+"\n";
state = "BULLET";
continue;
}
if(!indented(line))
{
out += make_bullet(tmp);
out += make_list_end();
tmp = line;
state = "HEADER";
continue;
}
//not interrupted? add to tmp.
tmp += line;
}
}
}
string make_bullet(string lines)
{
string outtmp = "";
foreach(lines/"\n"; int nr; string line)
{
if(nr == 0)
outtmp += "<li><b>"+line+"</b>\n<p>\n";
else
{
if(!text(line))
outtmp += "</p><p>\n";
else
outtmp += line+"\n";
}
}
outtmp += "</p></li>\n\n";
return outtmp;
}
string make_list_start()
{
return "<p><ul>\n\n";
}
string make_list_end()
{
return "</ul></p>\n\n";
}
int indented(string line)
{
if(!text(line) || line[0..0] == " ")
return 1;
else
return 0;
}
int text(string line)
{
if(sizeof(line-" "))
return 1;
else
return 0;
}
string make_header(int level, string text)
{
return sprintf("<h%d>%s</h%d>\n\n", level, text, level);
}
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