Index: tracing/third_party/tvcm/third_party/rjsmin/bench/jsmin.py |
diff --git a/tracing/third_party/tvcm/third_party/rjsmin/bench/jsmin.py b/tracing/third_party/tvcm/third_party/rjsmin/bench/jsmin.py |
deleted file mode 100644 |
index b1f7dd7e62ea05248443d44704788343c667b4fe..0000000000000000000000000000000000000000 |
--- a/tracing/third_party/tvcm/third_party/rjsmin/bench/jsmin.py |
+++ /dev/null |
@@ -1,226 +0,0 @@ |
-#!/usr/bin/env python |
- |
-# This code is original from jsmin by Douglas Crockford, it was translated to |
-# Python by Baruch Even. The original code had the following copyright and |
-# license. |
-# |
-# /* jsmin.c |
-# 2007-05-22 |
-# |
-# Copyright (c) 2002 Douglas Crockford (www.crockford.com) |
-# |
-# Permission is hereby granted, free of charge, to any person obtaining a copy of |
-# this software and associated documentation files (the "Software"), to deal in |
-# the Software without restriction, including without limitation the rights to |
-# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies |
-# of the Software, and to permit persons to whom the Software is furnished to do |
-# so, subject to the following conditions: |
-# |
-# The above copyright notice and this permission notice shall be included in all |
-# copies or substantial portions of the Software. |
-# |
-# The Software shall be used for Good, not Evil. |
-# |
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
-# SOFTWARE. |
-# */ |
- |
-# imports adjusted for speed (cStringIO) and python 3 (io) -- nd |
-try: |
- from cStringIO import StringIO |
-except ImportError: |
- try: |
- from StringIO import StringIO |
- except ImportError: |
- from io import StringIO |
- |
- |
-def jsmin(js): |
- ins = StringIO(js) |
- outs = StringIO() |
- JavascriptMinify().minify(ins, outs) |
- str = outs.getvalue() |
- if len(str) > 0 and str[0] == '\n': |
- str = str[1:] |
- return str |
- |
-def isAlphanum(c): |
- """return true if the character is a letter, digit, underscore, |
- dollar sign, or non-ASCII character. |
- """ |
- return ((c >= 'a' and c <= 'z') or (c >= '0' and c <= '9') or |
- (c >= 'A' and c <= 'Z') or c == '_' or c == '$' or c == '\\' or (c is not None and ord(c) > 126)); |
- |
-class UnterminatedComment(Exception): |
- pass |
- |
-class UnterminatedStringLiteral(Exception): |
- pass |
- |
-class UnterminatedRegularExpression(Exception): |
- pass |
- |
-class JavascriptMinify(object): |
- |
- def _outA(self): |
- self.outstream.write(self.theA) |
- def _outB(self): |
- self.outstream.write(self.theB) |
- |
- def _get(self): |
- """return the next character from stdin. Watch out for lookahead. If |
- the character is a control character, translate it to a space or |
- linefeed. |
- """ |
- c = self.theLookahead |
- self.theLookahead = None |
- if c == None: |
- c = self.instream.read(1) |
- if c >= ' ' or c == '\n': |
- return c |
- if c == '': # EOF |
- return '\000' |
- if c == '\r': |
- return '\n' |
- return ' ' |
- |
- def _peek(self): |
- self.theLookahead = self._get() |
- return self.theLookahead |
- |
- def _next(self): |
- """get the next character, excluding comments. peek() is used to see |
- if an unescaped '/' is followed by a '/' or '*'. |
- """ |
- c = self._get() |
- if c == '/' and self.theA != '\\': |
- p = self._peek() |
- if p == '/': |
- c = self._get() |
- while c > '\n': |
- c = self._get() |
- return c |
- if p == '*': |
- c = self._get() |
- while 1: |
- c = self._get() |
- if c == '*': |
- if self._peek() == '/': |
- self._get() |
- return ' ' |
- if c == '\000': |
- raise UnterminatedComment() |
- |
- return c |
- |
- def _action(self, action): |
- """do something! What you do is determined by the argument: |
- 1 Output A. Copy B to A. Get the next B. |
- 2 Copy B to A. Get the next B. (Delete A). |
- 3 Get the next B. (Delete B). |
- action treats a string as a single character. Wow! |
- action recognizes a regular expression if it is preceded by ( or , or =. |
- """ |
- if action <= 1: |
- self._outA() |
- |
- if action <= 2: |
- self.theA = self.theB |
- if self.theA == "'" or self.theA == '"': |
- while 1: |
- self._outA() |
- self.theA = self._get() |
- if self.theA == self.theB: |
- break |
- if self.theA <= '\n': |
- raise UnterminatedStringLiteral() |
- if self.theA == '\\': |
- self._outA() |
- self.theA = self._get() |
- |
- |
- if action <= 3: |
- self.theB = self._next() |
- if self.theB == '/' and (self.theA == '(' or self.theA == ',' or |
- self.theA == '=' or self.theA == ':' or |
- self.theA == '[' or self.theA == '?' or |
- self.theA == '!' or self.theA == '&' or |
- self.theA == '|' or self.theA == ';' or |
- self.theA == '{' or self.theA == '}' or |
- self.theA == '\n'): |
- self._outA() |
- self._outB() |
- while 1: |
- self.theA = self._get() |
- if self.theA == '/': |
- break |
- elif self.theA == '\\': |
- self._outA() |
- self.theA = self._get() |
- elif self.theA <= '\n': |
- raise UnterminatedRegularExpression() |
- self._outA() |
- self.theB = self._next() |
- |
- |
- def _jsmin(self): |
- """Copy the input to the output, deleting the characters which are |
- insignificant to JavaScript. Comments will be removed. Tabs will be |
- replaced with spaces. Carriage returns will be replaced with linefeeds. |
- Most spaces and linefeeds will be removed. |
- """ |
- self.theA = '\n' |
- self._action(3) |
- |
- while self.theA != '\000': |
- if self.theA == ' ': |
- if isAlphanum(self.theB): |
- self._action(1) |
- else: |
- self._action(2) |
- elif self.theA == '\n': |
- if self.theB in ['{', '[', '(', '+', '-']: |
- self._action(1) |
- elif self.theB == ' ': |
- self._action(3) |
- else: |
- if isAlphanum(self.theB): |
- self._action(1) |
- else: |
- self._action(2) |
- else: |
- if self.theB == ' ': |
- if isAlphanum(self.theA): |
- self._action(1) |
- else: |
- self._action(3) |
- elif self.theB == '\n': |
- if self.theA in ['}', ']', ')', '+', '-', '"', '\'']: |
- self._action(1) |
- else: |
- if isAlphanum(self.theA): |
- self._action(1) |
- else: |
- self._action(3) |
- else: |
- self._action(1) |
- |
- def minify(self, instream, outstream): |
- self.instream = instream |
- self.outstream = outstream |
- self.theA = '\n' |
- self.theB = None |
- self.theLookahead = None |
- |
- self._jsmin() |
- self.instream.close() |
- |
-if __name__ == '__main__': |
- import sys |
- jsm = JavascriptMinify() |
- jsm.minify(sys.stdin, sys.stdout) |