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Diffstat (limited to 'portato/gui/qt/highlighter.py')
| -rw-r--r-- | portato/gui/qt/highlighter.py | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/portato/gui/qt/highlighter.py b/portato/gui/qt/highlighter.py deleted file mode 100644 index 74d9ac9..0000000 --- a/portato/gui/qt/highlighter.py +++ /dev/null @@ -1,168 +0,0 @@ -# -*- coding: utf-8 -*- -# -# File: portato/gui/qt/highlighter.py -# This file is part of the Portato-Project, a graphical portage-frontend. -# -# Copyright (C) 2007 René 'Necoro' Neumann -# This is free software. You may redistribute copies of it under the terms of -# the GNU General Public License version 2. -# There is NO WARRANTY, to the extent permitted by law. -# -# Written by René 'Necoro' Neumann <necoro@necoro.net> - -# The syntax is inspired by the gtksourceview syntax by -# Leonardo Ferreira Fontenelle <leo.fontenelle@gmail.com> - -from PyQt4 import Qt -from portato.helper import debug - -import re # prefer Python-Module over Qt-one - -class EbuildHighlighter (Qt.QSyntaxHighlighter): - """A QSyntaxHighlighter implementation for the use with ebuild-syntax.""" - - NORMAL_STATE = 0 - STRING_STATE = 1 - - def __init__ (self, edit): - """Constructor. - - @param edit: the EditWidget to use the highlighter with - @type edit: Qt.QTextEdit""" - - Qt.QSyntaxHighlighter.__init__(self, edit) - - # - # the regular expressions ... *muahahaha* - # - - # comments - self.comment = self.__create(r'#.*', color = "steelblue", italic = True) - - # bash variables - self.bashVar = self.__create(r'(\$\{.+?\})|(\$\w+)', color = "green") - - # a string - self.string = self.__create(r'(?<!\\)"', color = "fuchsia") - - # the syntax elements, which are checked in a loop - self.syntax = {} - - # bash syntax - self.syntax["bashSyn"] = self.__create(r'\b(case|do|done|elif|else|esac|exit|fi|for|function|if|in|local|read|return|select|shift|then|time|until|while)\b', color = "navy", underline = True) - - # special bash commands - self.syntax["bashCmd"] = self.__create(r'\b(make|awk|cat|cd|chmod|chown|cp|echo|env|export|grep|head|let|ln|mkdir|mv|rm|sed|set|tail|tar|touch|unset)\b', color = "navy", bold = True) - - # portage variables - self.syntax["portVar"] = self.__create(r'\b((ARCH|HOMEPAGE|DESCRIPTION|IUSE|SRC_URI|LICENSE|SLOT|KEYWORDS|FILESDIR|WORKDIR|(P|R)?DEPEND|PROVIDE|DISTDIR|RESTRICT|USERLAND)|(S|D|T|PV|PF|P|PN|A)|C(XX)?FLAGS|LDFLAGS|C(HOST|TARGET|BUILD))\b', color = "saddlebrown", bold = True) - - # portage commands - self.syntax["portCmd"] = self.__create(r'\b(e(begin|end|conf|install|make|warn|infon?|error|patch)|die|built_with_use|use(_(with|enable))?|inherit|hasq?|(has|best)_version|unpack|(do|new)(ins|s?bin|doc|lib(|\.so|\.a)|man|info|exe|initd|confd|envd|pam|menu|icon)|do(python|sed|dir|hard|sym|html|jar|mo)|keepdir|prepall(|docs|info|man|strip)|prep(info|lib|lib\.(so|a)|man|strip)|(|doc|ins|exe)into|f(owners|perms)|(exe|ins|dir)opts)\b', color = "saddlebrown", bold = True) - - # portage functions, i.e. the functions implemented by the ebuild - self.syntax["portFunc"] = self.__create(r'^(src_(unpack|compile|install|test)|pkg_(config|nofetch|setup|(pre|post)(inst|rm)))', color = "green") - - def do_reg_exp (self, syntaxTuple, string): - """Tries to match a regular expression and if this succeeds, - sets the text format. - - @param syntaxTuple: tuple holding regexp and format - @type sytaxTuple: (RE-object, Qt.QTextCharFormat) - @param string: the string to look in - @type string: string""" - - regexp, format = syntaxTuple - - match = regexp.search(string) - - while match is not None: - span = match.span() - length = span[1]-span[0] - - self.setFormat(span[0], length, format) - match = regexp.search(string, span[1]) - - def highlightBlock (self, string): - """This function is called, whenever the edit want to have some text checked. - - @param string: the text to check - @type string: Qt.QString""" - - string = str(string) # we got a QString here - - # check the normal syntax elements - for t in self.syntax.values(): - self.do_reg_exp(t, string) - - # reset to normal state :) - self.setCurrentBlockState(self.NORMAL_STATE) - - # look for strings - prevStart = 0 - foundEnd = False - stringMatch = self.string[0].search(string) - - if self.previousBlockState() == self.STRING_STATE: # we were in a string last time - if stringMatch is None: # and there is no end of string in this line - self.setFormat(0, len(string), self.string[1]) - self.setCurrentBlockState(self.STRING_STATE) - else: - foundEnd = True - - while stringMatch is not None: - - if foundEnd: # we know that the string will end in this block - self.setCurrentBlockState(self.NORMAL_STATE) - self.setFormat(prevStart, stringMatch.end() - prevStart, self.string[1]) - - # look for a possible start of another string - stringMatch = self.string[0].search(string, stringMatch.end()) - foundEnd = False - - else: # we have entered a new string - - prevStart = stringMatch.start() - stringMatch = self.string[0].search(string, stringMatch.end()) # the end of string - - if stringMatch is not None: - foundEnd = True - else: # no string end: mark the rest of the line as string - self.setCurrentBlockState(self.STRING_STATE) - self.setFormat(prevStart, len(string) - prevStart, self.string[1]) - - self.do_reg_exp(self.bashVar, string) # replace bashVars in strings - self.do_reg_exp(self.comment, string) # do comments last - - def __create (self, regexp, color = None, italic = False, bold = False, underline = False): - """This creates a syntax tuple. - - @param regexp: the regular expression - @type regexp: string - @param color: the color to take; if None, take standard color - @type color: string - @param italic: italic-flag - @type italic: bool - @param bold: bold-flag - @type bold: bool - @param underline: underline-flag - @type underline: bool - - @returns: the created syntax-tuple - @rtype: (RE-object, Qt.QTextCharFormat) - """ - - compRe = re.compile(regexp) - format = Qt.QTextCharFormat() - - font = Qt.QFont() - font.setItalic(italic) - font.setBold(bold) - font.setUnderline(underline) - format.setFont(font) - - if color is not None: - brush = Qt.QBrush(Qt.QColor(color)) - format.setForeground(brush) - - return (compRe, format) |