80 lines
2.9 KiB
Python
80 lines
2.9 KiB
Python
import os
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import color, method, mode
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from lex import Grammar, PatternRule, RegionRule
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from mode.xml import TagGrammar
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from mode.javascript import JavascriptGrammar
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from mode.css import CSSGrammar
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class HTMLGrammar(Grammar):
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rules = [
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# TODO: how does cdata work again?
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RegionRule(r'comment', r'<!--', Grammar, r'-->'),
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# BUG: not all scripts are javascript and not all styles are CSS
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# but, dynamically choosing a grammar based on the 'type' attribute
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# (which may be on a different line) is impractical.
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RegionRule(r'script', r'<(?=script[^a-zA-Z0-9_])', TagGrammar, r'>', JavascriptGrammar, r'</(?=script>)', TagGrammar, r'>'),
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RegionRule(r'style', r'<(?=style[^a-zA-Z0-9_])', TagGrammar, r'>', CSSGrammar, r'</(?=style>)', TagGrammar, r'>'),
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RegionRule(r'tag', r'</?', TagGrammar, r'/?>'),
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]
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class HtmlViewPage(method.Method):
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'''View the HTML data in a browser (curses or external)'''
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def _execute(self, w, **vargs):
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viewcmd = w.application.config.get('html.viewcmd')
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viewbg = viewcmd.endswith('&')
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if viewbg:
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viewcmd = viewcmd[:-1]
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argv = (viewcmd, w.buffer.path)
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if viewbg:
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if os.fork() == 0:
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try:
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os.execvp(viewcmd, argv)
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except OSError:
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os._exit(1)
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else:
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w.application.run_external(*argv)
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class HtmlCheckSpelling(method.Method):
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"""Check the spelling of the document via ispell -t"""
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def _execute(self, w, **vargs):
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# -x no backup file
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# -M show context menu
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# -H treat input document as HTML
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w.application.run_external('ispell', '-x', '-M', '-H', w.buffer.path)
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if w.buffer.changed_on_disk():
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w.buffer.reload()
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class HTML(mode.Fundamental):
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modename = 'HTML'
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extensions = ['.html', '.htm', '.shtml', '.shtm', '.xhtml']
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grammar = HTMLGrammar
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colors = {}
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config = {
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'html.viewcmd': 'firefox&',
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}
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_colorbase = {
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'start': ('default', 'default'),
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'namespace': ('magenta', 'default'),
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'name': ('blue', 'default'),
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'attrname': ('cyan', 'default'),
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'string.start': ('green', 'default'),
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'string.null': ('green', 'default'),
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'string.end': ('green', 'default'),
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'end': ('default', 'default'),
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}
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for _name in _colorbase:
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colors['script.%s' % _name] = _colorbase[_name]
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colors['style.%s' % _name] = _colorbase[_name]
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colors['tag.%s' % _name] = _colorbase[_name]
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def __init__(self, w):
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mode.Fundamental.__init__(self, w)
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self.add_bindings('close-paren', (')',))
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self.add_bindings('close-brace', ('}',))
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self.add_bindings('close-bracket', (']',))
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self.add_action(HtmlViewPage())
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self.add_action(HtmlCheckSpelling())
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install = HTML.install
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