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# -*- 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):
NORMAL_STATE = 0
STRING_STATE = 1
def __init__ (self, edit):
Qt.QSyntaxHighlighter.__init__(self, edit)
self.comment = self.__create(r'#.*', color = "steelblue", italic = True)
self.bashVar = self.__create(r'(\$\{.+?\})|(\$\w+)', color = "green")
self.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)
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)
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)
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)
self.syntax["portFunc"] = self.__create(r'^(src_(unpack|compile|install|test)|pkg_(config|nofetch|setup|(pre|post)(inst|rm)))', color = "green")
self.string = self.__create(r'(?<!\\)"', color = "fuchsia")
def do_reg_exp (self, syntaxTuple, 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):
string = str(string) # we got a QString here
for t in self.syntax.values():
self.do_reg_exp(t, string)
self.setCurrentBlockState(self.NORMAL_STATE)
# look for strings
prevStart = 0
foundEnd = False
stringMatch = self.string[0].search(string)
if self.previousBlockState() == self.STRING_STATE:
if stringMatch is None:
self.setFormat(0, len(string), self.string[1])
self.setCurrentBlockState(self.STRING_STATE)
else:
foundEnd = True
while stringMatch is not None:
if foundEnd:
self.setCurrentBlockState(self.NORMAL_STATE)
self.setFormat(prevStart, stringMatch.end() - prevStart, self.string[1])
stringMatch = self.string[0].search(string, stringMatch.end())
foundEnd = False
else:
prevStart = stringMatch.start()
stringMatch = self.string[0].search(string, stringMatch.end())
if stringMatch is not None:
foundEnd = True
else:
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):
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)
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