116 lines
4.5 KiB
Python
116 lines
4.5 KiB
Python
import os
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import urllib
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import default
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import method
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from mode import Fundamental
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from lex import Grammar, PatternRule, RegionRule
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from mode.xml import TagGrammar, CommentGrammar, MetadataGrammar, CDataGrammar
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from mode.javascript import JavascriptGrammar
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from mode.css import CSSGrammar
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class DoctypeGrammar(Grammar):
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rules = [PatternRule('data', '[^>]+')]
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class HTMLGrammar(Grammar):
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rules = [
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PatternRule(r'escaped', r'&[^;]+;'),
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PatternRule(r'html.data', r'[^&<]+'),
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# BUG: not all scripts are javascript and not all styles are CSS but
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# dynamically choosing a grammar based on the 'type' attribute (which
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# may be on a different line) is impractical.
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RegionRule('html.tag', '<(?=script[^a-zA-Z0-9_])', TagGrammar, '>',
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JavascriptGrammar, '</(?=script>)', TagGrammar, '>'),
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RegionRule('html.tag', '<(?=style[^a-zA-Z0-9_])', TagGrammar, '>',
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CSSGrammar, '</(?=style>)', TagGrammar, '>'),
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RegionRule('comment', r'<!--', CommentGrammar, r'-->'),
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RegionRule('html.tag', r'<(?![\?!])', TagGrammar, r'/?>'),
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RegionRule('html.metadata', r'<\?', MetadataGrammar, r'\?>'),
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RegionRule('html.doctype', r'<!', DoctypeGrammar, r'>'),
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PatternRule('html.entity', r'&[a-z]+;'),
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RegionRule('html.cdata', r'<!\[CDATA\[', CDataGrammar, r'\]\]>'),
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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 HtmlValidatePage(method.Method):
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'''View the HTML data in a browser (curses or external)'''
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args = [method.arg('url', dv=default.build_mode_var('url'), ld=True, h='')]
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base = 'http://validator.w3.org/check?'
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def _execute(self, w, **vargs):
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w.mode.url = vargs['url']
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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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urlarg = urllib.urlencode({'uri': w.mode.url})
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argv = (viewcmd, self.base + urlarg)
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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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if w.buffer.changed():
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w.set_error("There are unsaved changes; please save first.")
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return
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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(Fundamental):
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name = 'HTML'
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extensions = ['.html', '.htm', '.shtml', '.shtm', '.xhtml', '.xhtm']
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grammar = HTMLGrammar
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colors = {
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'html.entity': ('magenta', 'default', 'bold'),
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'html.metadata.start': ('magenta', 'default', 'bold'),
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'html.metadata.data': ('magenta', 'default', 'bold'),
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'html.metadata.end': ('magenta', 'default', 'bold'),
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'html.doctype.start': ('magenta', 'default', 'bold'),
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'html.doctype.data': ('magenta', 'default', 'bold'),
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'html.doctype.end': ('magenta', 'default', 'bold'),
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'html.tag.start': ('default', 'default', 'bold'),
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'html.tag.namespace': ('magenta', 'default', 'bold'),
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'html.tag.name': ('blue', 'default', 'bold'),
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'html.tag.attrname': ('cyan', 'default', 'bold'),
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'html.tag.end': ('default', 'default', 'bold'),
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}
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config = {
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'html.viewcmd': 'firefox&',
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#'html.viewcmd': 'links',
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}
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actions = [HtmlViewPage, HtmlValidatePage, HtmlCheckSpelling]
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_bindings = {
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'close-paren': (')',),
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'close-brace': ('}',),
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'close-bracket': (']',),
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'xml-create-tag': ('M-t',),
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}
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url = None
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install = HTML.install
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