89 lines
3.0 KiB
Python
Executable File
89 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python
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# encoding: utf-8
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"""
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Convert snipmate compatible snippets to UltiSnips compatible snippets
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by Phillip Berndt
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"""
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import sys
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import re
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import os
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import argparse
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def convert_snippet_contents(content):
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" If the snippet contains snipmate style substitutions, convert them to ultisnips style "
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content = re.sub("`([^`]+`)", "`!v \g<1>", content)
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return content
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def convert_snippet_file(source):
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" One file per filetype "
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retval = ""
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state = 0
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for line in open(source).readlines():
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# Ignore empty lines
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if line.strip() == "":
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continue
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# The rest of the handlig is stateful
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if state == 0:
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# Find snippet start
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if line[:8] == "snippet ":
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snippet_info = re.match("(\S+)\s*(.*)", line[8:])
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if not snippet_info:
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print >> sys.stderr, "Warning: Malformed snippet\n %s\n" % line
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continue
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retval += 'snippet %s "%s"' % (snippet_info.group(1), snippet_info.group(2) if snippet_info.group(2) else snippet_info.group(1)) + "\n"
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state = 1
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snippet = ""
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elif state == 1:
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# First line of snippet: Get indentation
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whitespace = re.search("^\s+", line)
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if not whitespace:
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print >> sys.stderr, "Warning: Malformed snippet, content not indented.\n"
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retval += "endsnippet\n\n"
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state = 0
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else:
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whitespace = whitespace.group(0)
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snippet += line[len(whitespace):]
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state = 2
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elif state == 2:
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# In snippet: Check if indentation level is the same. If not, snippet has ended
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if line[:len(whitespace)] != whitespace:
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retval += convert_snippet_contents(snippet) + "endsnippet\n\n"
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state = 0
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else:
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snippet += line[len(whitespace):]
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if state == 2:
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retval += convert_snippet_contents(snippet) + "endsnippet\n\n"
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return retval
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def convert_snippet(source):
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" One file per snippet "
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name = os.path.basename(source)[:-8]
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return 'snippet %s "%s"' % (name, name) + "\n" + \
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convert_snippet_contents(open(source).read()) + \
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"\nendsnippet\n"
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def convert_snippets(source):
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if os.path.isdir(source):
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return "\n".join((convert_snippet(os.path.join(source, x)) for x in os.listdir(source) if x[-8:] == ".snippet"))
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else:
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return convert_snippet_file(source)
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if __name__ == '__main__':
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# Parse command line
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argsp = argparse.ArgumentParser(description="Convert snipmate compatible snippets to UltiSnips' file format",
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epilog="example:\n %s drupal/ drupal.snippets\n will convert all drupal specific snippets from snipmate into one file drupal.snippets" % sys.argv[0],
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formatter_class=argparse.RawDescriptionHelpFormatter)
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argsp.add_argument("source", help="Source directory for one filetype or a snippets file")
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argsp.add_argument("target", help="File to write the resulting snippets into. If omitted, the snippets will be written to stdout.", nargs="?", default="-")
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args = argsp.parse_args()
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source = args.source
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try:
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target = sys.stdout if args.target == "-" else open(args.target, "w")
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except IOError:
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print >> sys.stderr, "Error: Failed to open output file %s for writing" % args.target
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sys.exit(1)
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snippets = convert_snippets(source)
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print >> target, snippets
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