--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/QScintilla/Exporters/ExporterRTF.py Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,341 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2007 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing an exporter for RTF.
+"""
+
+# This code is a port of the C++ code found in SciTE 1.74
+# Original code: Copyright 1998-2006 by Neil Hodgson <neilh@scintilla.org>
+
+import time
+
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+from PyQt4.Qsci import QsciScintilla
+
+from ExporterBase import ExporterBase
+
+import Preferences
+
+class ExporterRTF(ExporterBase):
+ """
+ Class implementing an exporter for RTF.
+ """
+ RTF_HEADEROPEN = "{\\rtf1\\ansi\\deff0\\deftab720"
+ RTF_HEADERCLOSE = "\n"
+ RTF_FONTDEFOPEN = "{\\fonttbl"
+ RTF_FONTDEF = "{\\f%d\\fnil\\fcharset%u %s;}"
+ RTF_FONTDEFCLOSE = "}"
+ RTF_COLORDEFOPEN = "{\\colortbl"
+ RTF_COLORDEF = "\\red%d\\green%d\\blue%d;"
+ RTF_COLORDEFCLOSE = "}"
+ RTF_INFOOPEN = "{\\info "
+ RTF_INFOCLOSE = "}"
+ RTF_COMMENT = "{\\comment Generated by eric4's RTF export filter.}"
+ RTF_CREATED = "{\creatim\yr%Y\mo%m\dy%d\hr%H\min%M\sec%S}" # to be used by strftime
+ RTF_BODYOPEN = ""
+ RTF_BODYCLOSE = "}"
+
+ RTF_SETFONTFACE = "\\f"
+ RTF_SETFONTSIZE = "\\fs"
+ RTF_SETCOLOR = "\\cf"
+ RTF_SETBACKGROUND = "\\highlight"
+ RTF_BOLD_ON = "\\b"
+ RTF_BOLD_OFF = "\\b0"
+ RTF_ITALIC_ON = "\\i"
+ RTF_ITALIC_OFF = "\\i0"
+
+ RTF_EOLN = "\\par\n"
+ RTF_TAB = "\\tab "
+
+ RTF_COLOR = "#000000"
+
+ def __init__(self, editor, parent = None):
+ """
+ Constructor
+
+ @param editor reference to the editor object (QScintilla.Editor.Editor)
+ @param parent parent object of the exporter (QObject)
+ """
+ ExporterBase.__init__(self, editor, parent)
+
+ def __GetRTFNextControl(self, pos, style):
+ """
+ Private method to extract the next RTF control word from style.
+
+ @param pos position to start search (integer)
+ @param style style definition to search in (string)
+ @return tuple of new start position and control word found
+ (integer, string)
+ """
+ # \f0\fs20\cf0\highlight0\b0\i0
+ if pos >= len(style):
+ return pos, ""
+
+ oldpos = pos
+ pos += 1 # implicit skip over leading '\'
+ while pos < len(style) and style[pos] != '\\':
+ pos += 1
+ return pos, style[oldpos:pos]
+
+ def __GetRTFStyleChange(self, last, current):
+ """
+ Private method to extract control words that are different between two styles.
+
+ @param last least recently used style (string)
+ @param current current style (string)
+ @return string containing the delta between these styles (string)
+ """
+ # \f0\fs20\cf0\highlight0\b0\i0
+ lastPos = 0
+ currentPos = 0
+ delta = ''
+ i = 0
+ while i < 6:
+ lastPos, lastControl = self.__GetRTFNextControl(lastPos, last)
+ currentPos, currentControl = self.__GetRTFNextControl(currentPos, current)
+ if lastControl != currentControl:
+ delta += currentControl
+ i += 1
+ if delta != '':
+ delta += ' '
+ return delta
+
+ def exportSource(self):
+ """
+ Public method performing the export.
+ """
+ filename = self._getFileName(self.trUtf8("RTF Files (*.rtf)"))
+ if not filename:
+ return
+
+ try:
+ QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
+ QApplication.processEvents()
+
+ self.editor.recolor(0, -1)
+ lex = self.editor.getLexer()
+
+ tabSize = Preferences.getEditor("TabWidth")
+ if tabSize == 0:
+ tabSize = 4
+ wysiwyg = Preferences.getEditorExporter("RTF/WYSIWYG")
+ if wysiwyg:
+ if lex:
+ defaultFont = lex.font(QsciScintilla.STYLE_DEFAULT)
+ else:
+ defaultFont = Preferences.getEditorOtherFonts("DefaultFont")
+ else:
+ defaultFont = Preferences.getEditorExporter("RTF/Font")
+ fontface = defaultFont.family()
+ fontsize = QFontInfo(defaultFont).pointSize() << 1
+ if fontsize == 0:
+ fontsize = 10 << 1
+ characterset = QsciScintilla.SC_CHARSET_DEFAULT
+ tabs = Preferences.getEditorExporter("RTF/UseTabs")
+
+ if lex:
+ fgColour = lex.color(QsciScintilla.STYLE_DEFAULT)
+ bgColour = lex.paper(QsciScintilla.STYLE_DEFAULT)
+ else:
+ fgColour = self.editor.color()
+ bgColour = self.editor.paper()
+
+ try:
+ f = open(filename, "wb")
+
+ styles = {}
+ fonts = {}
+ colors = {}
+ lastStyle = ""
+
+ f.write(self.RTF_HEADEROPEN + self.RTF_FONTDEFOPEN)
+ fonts[0] = fontface
+ fontCount = 1
+ f.write(self.RTF_FONTDEF % (0, characterset, fontface))
+ colors[0] = fgColour
+ colors[1] = bgColour
+ colorCount = 2
+
+ if lex:
+ istyle = 0
+ while istyle <= QsciScintilla.STYLE_MAX:
+ if (istyle < QsciScintilla.STYLE_DEFAULT or \
+ istyle > QsciScintilla.STYLE_LASTPREDEFINED):
+ if lex.description(istyle):
+ font = lex.font(istyle)
+ if wysiwyg:
+ fontKey = None
+ for key, value in fonts.items():
+ if value.lower() == font.family().lower():
+ fontKey = key
+ break
+ if fontKey is None:
+ fonts[fontCount] = font.family()
+ f.write(self.RTF_FONTDEF % \
+ (fontCount, characterset, font.family()))
+ fontKey = fontCount
+ fontCount += 1
+ lastStyle = self.RTF_SETFONTFACE + "%d" % fontKey
+ else:
+ lastStyle = self.RTF_SETFONTFACE + "0"
+
+ if wysiwyg and QFontInfo(font).pointSize():
+ lastStyle += self.RTF_SETFONTSIZE + \
+ "%d" % (QFontInfo(font).pointSize() << 1)
+ else:
+ lastStyle += self.RTF_SETFONTSIZE + \
+ "%d" % fontsize
+
+ sColour = lex.color(istyle)
+ sColourKey = None
+ for key, value in colors.items():
+ if value == sColour:
+ sColourKey = key
+ break
+ if sColourKey is None:
+ colors[colorCount] = sColour
+ sColourKey = colorCount
+ colorCount += 1
+ lastStyle += self.RTF_SETCOLOR + "%d" % sColourKey
+
+ sColour = lex.paper(istyle)
+ sColourKey = None
+ for key, value in colors.items():
+ if value == sColour:
+ sColourKey = key
+ break
+ if sColourKey is None:
+ colors[colorCount] = sColour
+ sColourKey = colorCount
+ colorCount += 1
+ lastStyle += self.RTF_SETBACKGROUND + "%d" % sColourKey
+
+ if font.bold():
+ lastStyle += self.RTF_BOLD_ON
+ else:
+ lastStyle += self.RTF_BOLD_OFF
+ if font.italic():
+ lastStyle += self.RTF_ITALIC_ON
+ else:
+ lastStyle += self.RTF_ITALIC_OFF
+ styles[istyle] = lastStyle
+ else:
+ styles[istyle] = self.RTF_SETFONTFACE + "0" + \
+ self.RTF_SETFONTSIZE + \
+ "%d" % fontsize + \
+ self.RTF_SETCOLOR + "0" + \
+ self.RTF_SETBACKGROUND + "1" + \
+ self.RTF_BOLD_OFF + self.RTF_ITALIC_OFF
+
+ istyle += 1
+ else:
+ styles[0] = self.RTF_SETFONTFACE + "0" + \
+ self.RTF_SETFONTSIZE + "%d" % fontsize + \
+ self.RTF_SETCOLOR + "0" + \
+ self.RTF_SETBACKGROUND + "1" + \
+ self.RTF_BOLD_OFF + self.RTF_ITALIC_OFF
+
+ f.write(self.RTF_FONTDEFCLOSE + self.RTF_COLORDEFOPEN)
+ for value in colors.values():
+ f.write(self.RTF_COLORDEF % \
+ (value.red(), value.green(), value.blue()))
+ f.write(self.RTF_COLORDEFCLOSE)
+ f.write(self.RTF_INFOOPEN + self.RTF_COMMENT)
+ f.write(time.strftime(self.RTF_CREATED))
+ f.write(self.RTF_INFOCLOSE)
+ f.write(self.RTF_HEADERCLOSE + \
+ self.RTF_BODYOPEN + self.RTF_SETFONTFACE + "0" + \
+ self.RTF_SETFONTSIZE + "%d" % fontsize + \
+ self.RTF_SETCOLOR + "0 ")
+ lastStyle = self.RTF_SETFONTFACE + "0" + \
+ self.RTF_SETFONTSIZE + "%d" % fontsize + \
+ self.RTF_SETCOLOR + "0" + \
+ self.RTF_SETBACKGROUND + "1" + \
+ self.RTF_BOLD_OFF + self.RTF_ITALIC_OFF
+
+ lengthDoc = self.editor.length()
+ prevCR = False
+ column = 0
+ pos = 0
+ deltaStyle = ""
+ styleCurrent = -1
+ utf8 = self.editor.isUtf8()
+ utf8Ch = ""
+ utf8Len = 0
+
+ while pos < lengthDoc:
+ ch = self.editor.rawCharAt(pos)
+ style = self.editor.styleAt(pos)
+ if style != styleCurrent:
+ deltaStyle = self.__GetRTFStyleChange(lastStyle, styles[style])
+ if deltaStyle:
+ f.write(deltaStyle)
+ styleCurrent = style
+ lastStyle = styles[style]
+
+ if ch == '{':
+ f.write('\\{')
+ elif ch == '}':
+ f.write('\\}')
+ elif ch == '\\':
+ f.write('\\\\')
+ elif ch == '\t':
+ if tabs:
+ f.write(self.RTF_TAB)
+ else:
+ ts = tabSize - (column % tabSize)
+ f.write(' ' * ts)
+ column += ts - 1
+ elif ch == '\n':
+ if not prevCR:
+ f.write(self.RTF_EOLN)
+ column -= 1
+ elif ch == '\r':
+ f.write(self.RTF_EOLN)
+ column -= 1
+ else:
+ if ord(ch) > 0x7F and utf8:
+ utf8Ch += ch
+ if utf8Len == 0:
+ if (ord(utf8Ch[0]) & 0xF0) == 0xF0:
+ utf8Len = 4
+ elif (ord(utf8Ch[0]) & 0xE0) == 0xE0:
+ utf8Len = 3
+ elif (ord(utf8Ch[0]) & 0xC0) == 0xC0:
+ utf8Len = 2
+ column -= 1 # will be incremented again later
+ elif len(utf8Ch) == utf8Len:
+ ch = utf8Ch.decode('utf8')
+ if ord(ch) <= 0xff:
+ f.write("\\'%x" % ord(ch))
+ else:
+ f.write("\\u%d\\'%x" % (ord(ch), ord(ch) & 0xFF))
+ utf8Ch = ""
+ utf8Len = 0
+ else:
+ column -= 1 # will be incremented again later
+ else:
+ f.write(ch)
+
+ column += 1
+ prevCR = ch == '\r'
+ pos += 1
+
+ f.write(self.RTF_BODYCLOSE)
+ f.close()
+ except IOError, err:
+ QApplication.restoreOverrideCursor()
+ QMessageBox.critical(self.editor,
+ self.trUtf8("Export source"),
+ self.trUtf8(
+ """<p>The source could not be exported to <b>{0}</b>.</p>"""
+ """<p>Reason: {1}</p>""")\
+ .format(filename, unicode(err)),
+ QMessageBox.StandardButtons(\
+ QMessageBox.Ok))
+ finally:
+ QApplication.restoreOverrideCursor()
