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