| 1 | """Preprocessor Highlight ShellExample.""" |
|---|
| 2 | from trac.util import escape |
|---|
| 3 | import re |
|---|
| 4 | |
|---|
| 5 | regex_crlf = re.compile("(\\r\\n|\\r|\\n)") |
|---|
| 6 | regexp_db_qstr = '"[^"\\\\]*(?:\\\\.[^"\\\\]*){0,250}"'; |
|---|
| 7 | regexp_si_qstr = '\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*){0,250}\''; |
|---|
| 8 | regexp = re.compile( |
|---|
| 9 | ('^(?P<path>[^ ]+.*)?(?P<cli>[#$]|> )(?P<input>(?:[^\\\\\n\'"]+|\\\\\n|%s|%s|[\\\\\'"]){0,255})$' % (regexp_db_qstr, regexp_si_qstr)) + |
|---|
| 10 | '|^(?P<option_space>\s+)(?P<option>-[a-zA-Z0-9]\\b|--[^ \t\n]+)(?P<option_desc>.*)$' |
|---|
| 11 | '|^(?P<note>\(.*\))$' |
|---|
| 12 | , re.M) |
|---|
| 13 | regexp_string = re.compile('(?:%s|%s)' % (regexp_db_qstr, regexp_si_qstr)) |
|---|
| 14 | def execute(hdf, txt, env): |
|---|
| 15 | # args will be null if the macro is called without parenthesis. |
|---|
| 16 | css = '' |
|---|
| 17 | if hdf: |
|---|
| 18 | if not hdf.has_key("macro.ShellExample.outputcss"): |
|---|
| 19 | hdf["macro.ShellExample.outputcss"] = True |
|---|
| 20 | css = '''<style type="text/css"> |
|---|
| 21 | .code-input {color:blue} |
|---|
| 22 | .code-input {color:blue} |
|---|
| 23 | .code-root {color:red;} |
|---|
| 24 | .code-note {color:#d80000;} |
|---|
| 25 | .code-path, .code-user {color:#449999; font-weight: bold} |
|---|
| 26 | </style>''' |
|---|
| 27 | txt = txt and regex_crlf.sub("\n", escape(txt).replace('"', '"')) or '' |
|---|
| 28 | def stringcallback(match): |
|---|
| 29 | return '<span class="code-string">' + match.group(0) + '</span>' |
|---|
| 30 | |
|---|
| 31 | def callback(match): |
|---|
| 32 | m = match.group('cli') |
|---|
| 33 | if m: |
|---|
| 34 | path = match.group('path') |
|---|
| 35 | if path: |
|---|
| 36 | line = '<span class="code-path">' + path + '</span>' |
|---|
| 37 | else: |
|---|
| 38 | line = '' |
|---|
| 39 | |
|---|
| 40 | input = regexp_string.sub(stringcallback, match.group('input')) |
|---|
| 41 | input = '<span class="code-input">' + input + '</span>' |
|---|
| 42 | if m == '# ': |
|---|
| 43 | line = line + '<span class="code-root">' + m + input + '</span>' |
|---|
| 44 | else: |
|---|
| 45 | line = line + '<span class="code-user">' + m + input + '</span>' |
|---|
| 46 | return line |
|---|
| 47 | m = match.group('option') |
|---|
| 48 | if m: |
|---|
| 49 | space = match.group('option_space') |
|---|
| 50 | desc = match.group('option_desc') |
|---|
| 51 | return space + '<span class="code-func">' + m + '</span>' + desc |
|---|
| 52 | m = match.group('note') |
|---|
| 53 | if m: |
|---|
| 54 | return '<span class="code-note">' + m + '</span>' |
|---|
| 55 | return match.group(0) |
|---|
| 56 | return css + '<div class="code"><pre>' + regexp.sub(callback, txt)+ '</pre></div>'; |
|---|
