|
1 # -*- coding: utf-8 -*- |
|
2 |
|
3 # Copyright (c) 2013 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> |
|
4 # |
|
5 |
|
6 """ |
|
7 Module implementing a dialog for entering character classes. |
|
8 """ |
|
9 |
|
10 from __future__ import unicode_literals |
|
11 |
|
12 from PyQt5.QtCore import QRegExp |
|
13 from PyQt5.QtGui import QRegExpValidator |
|
14 from PyQt5.QtWidgets import QWidget, QDialog, QVBoxLayout, QHBoxLayout, \ |
|
15 QScrollArea, QPushButton, QSpacerItem, QSizePolicy, QComboBox, QLineEdit, \ |
|
16 QLabel |
|
17 |
|
18 from .Ui_QRegularExpressionWizardCharactersDialog import \ |
|
19 Ui_QRegularExpressionWizardCharactersDialog |
|
20 |
|
21 |
|
22 class QRegularExpressionWizardCharactersDialog( |
|
23 QDialog, Ui_QRegularExpressionWizardCharactersDialog): |
|
24 """ |
|
25 Class implementing a dialog for entering character classes. |
|
26 """ |
|
27 def __init__(self, parent=None): |
|
28 """ |
|
29 Constructor |
|
30 |
|
31 @param parent reference to the parent widget (QWidget) |
|
32 """ |
|
33 super(QRegularExpressionWizardCharactersDialog, self).__init__(parent) |
|
34 self.setupUi(self) |
|
35 |
|
36 self.__initCharacterSelectors() |
|
37 |
|
38 self.comboItems = [] |
|
39 self.singleComboItems = [] # these are in addition to the above |
|
40 self.comboItems.append((self.tr("Normal character"), "-c")) |
|
41 self.comboItems.append((self.tr( |
|
42 "Unicode character in hexadecimal notation"), "-h")) |
|
43 self.comboItems.append((self.tr( |
|
44 "ASCII/Latin1 character in octal notation"), "-o")) |
|
45 self.singleComboItems.extend([ |
|
46 ("---", "-i"), |
|
47 (self.tr("Bell character (\\a)"), "\\a"), |
|
48 (self.tr("Escape character (\\e)"), "\\e"), |
|
49 (self.tr("Page break (\\f)"), "\\f"), |
|
50 (self.tr("Line feed (\\n)"), "\\n"), |
|
51 (self.tr("Carriage return (\\r)"), "\\r"), |
|
52 (self.tr("Horizontal tabulator (\\t)"), "\\t"), |
|
53 ("---", "-i"), |
|
54 (self.tr("Character Category"), "-ccp"), |
|
55 (self.tr("Special Character Category"), "-csp"), |
|
56 (self.tr("Character Block"), "-cbp"), |
|
57 (self.tr("POSIX Named Set"), "-psp"), |
|
58 (self.tr("Not Character Category"), "-ccn"), |
|
59 (self.tr("Not Character Block"), "-cbn"), |
|
60 (self.tr("Not Special Character Category"), "-csn"), |
|
61 (self.tr("Not POSIX Named Set"), "-psn"), |
|
62 ]) |
|
63 |
|
64 self.charValidator = QRegExpValidator(QRegExp(".{0,1}"), self) |
|
65 self.hexValidator = QRegExpValidator(QRegExp("[0-9a-fA-F]{0,4}"), self) |
|
66 self.octValidator = QRegExpValidator(QRegExp("[0-3]?[0-7]{0,2}"), self) |
|
67 |
|
68 # generate dialog part for single characters |
|
69 self.singlesBoxLayout = QVBoxLayout(self.singlesBox) |
|
70 self.singlesBoxLayout.setObjectName("singlesBoxLayout") |
|
71 self.singlesBoxLayout.setSpacing(6) |
|
72 self.singlesBoxLayout.setContentsMargins(6, 6, 6, 6) |
|
73 self.singlesBox.setLayout(self.singlesBoxLayout) |
|
74 self.singlesView = QScrollArea(self.singlesBox) |
|
75 self.singlesView.setObjectName("singlesView") |
|
76 self.singlesBoxLayout.addWidget(self.singlesView) |
|
77 |
|
78 self.singlesItemsBox = QWidget(self) |
|
79 self.singlesView.setWidget(self.singlesItemsBox) |
|
80 self.singlesItemsBox.setObjectName("singlesItemsBox") |
|
81 self.singlesItemsBox.setMinimumWidth(1000) |
|
82 self.singlesItemsBoxLayout = QVBoxLayout(self.singlesItemsBox) |
|
83 self.singlesItemsBoxLayout.setContentsMargins(6, 6, 6, 6) |
|
84 self.singlesItemsBoxLayout.setSpacing(6) |
|
85 self.singlesItemsBox.setLayout(self.singlesItemsBoxLayout) |
|
86 self.singlesEntries = [] |
|
87 self.__addSinglesLine() |
|
88 |
|
89 hlayout0 = QHBoxLayout() |
|
90 hlayout0.setContentsMargins(0, 0, 0, 0) |
|
91 hlayout0.setSpacing(6) |
|
92 hlayout0.setObjectName("hlayout0") |
|
93 self.moreSinglesButton = QPushButton( |
|
94 self.tr("Additional Entries"), self.singlesBox) |
|
95 self.moreSinglesButton.setObjectName("moreSinglesButton") |
|
96 hlayout0.addWidget(self.moreSinglesButton) |
|
97 hspacer0 = QSpacerItem( |
|
98 30, 20, QSizePolicy.Expanding, QSizePolicy.Minimum) |
|
99 hlayout0.addItem(hspacer0) |
|
100 self.singlesBoxLayout.addLayout(hlayout0) |
|
101 self.moreSinglesButton.clicked.connect(self.__addSinglesLine) |
|
102 |
|
103 # generate dialog part for character ranges |
|
104 self.rangesBoxLayout = QVBoxLayout(self.rangesBox) |
|
105 self.rangesBoxLayout.setObjectName("rangesBoxLayout") |
|
106 self.rangesBoxLayout.setSpacing(6) |
|
107 self.rangesBoxLayout.setContentsMargins(6, 6, 6, 6) |
|
108 self.rangesBox.setLayout(self.rangesBoxLayout) |
|
109 self.rangesView = QScrollArea(self.rangesBox) |
|
110 self.rangesView.setObjectName("rangesView") |
|
111 self.rangesBoxLayout.addWidget(self.rangesView) |
|
112 |
|
113 self.rangesItemsBox = QWidget(self) |
|
114 self.rangesView.setWidget(self.rangesItemsBox) |
|
115 self.rangesItemsBox.setObjectName("rangesItemsBox") |
|
116 self.rangesItemsBox.setMinimumWidth(1000) |
|
117 self.rangesItemsBoxLayout = QVBoxLayout(self.rangesItemsBox) |
|
118 self.rangesItemsBoxLayout.setContentsMargins(6, 6, 6, 6) |
|
119 self.rangesItemsBoxLayout.setSpacing(6) |
|
120 self.rangesItemsBox.setLayout(self.rangesItemsBoxLayout) |
|
121 self.rangesEntries = [] |
|
122 self.__addRangesLine() |
|
123 |
|
124 hlayout1 = QHBoxLayout() |
|
125 hlayout1.setContentsMargins(0, 0, 0, 0) |
|
126 hlayout1.setSpacing(6) |
|
127 hlayout1.setObjectName("hlayout1") |
|
128 self.moreRangesButton = QPushButton( |
|
129 self.tr("Additional Entries"), self.rangesBox) |
|
130 self.moreSinglesButton.setObjectName("moreRangesButton") |
|
131 hlayout1.addWidget(self.moreRangesButton) |
|
132 hspacer1 = QSpacerItem( |
|
133 30, 20, QSizePolicy.Expanding, QSizePolicy.Minimum) |
|
134 hlayout1.addItem(hspacer1) |
|
135 self.rangesBoxLayout.addLayout(hlayout1) |
|
136 self.moreRangesButton.clicked.connect(self.__addRangesLine) |
|
137 |
|
138 def __initCharacterSelectors(self): |
|
139 """ |
|
140 Private method to initialize the W3C character selector entries. |
|
141 """ |
|
142 self.__characterCategories = ( |
|
143 # display name code |
|
144 (self.tr("Letter, Any"), "L"), |
|
145 (self.tr("Letter, Lower case"), "Ll"), |
|
146 (self.tr("Letter, Modifier"), "Lm"), |
|
147 (self.tr("Letter, Other"), "Lo"), |
|
148 (self.tr("Letter, Title case"), "Lt"), |
|
149 (self.tr("Letter, Upper case"), "Lu"), |
|
150 (self.tr("Letter, Lower, Upper or Title"), "L&"), |
|
151 (self.tr("Mark, Any"), "M"), |
|
152 (self.tr("Mark, Spacing"), "Mc"), |
|
153 (self.tr("Mark, Enclosing"), "Me"), |
|
154 (self.tr("Mark, Non-spacing"), "Mn"), |
|
155 (self.tr("Number, Any"), "N"), |
|
156 (self.tr("Number, Decimal"), "Nd"), |
|
157 (self.tr("Number, Letter"), "Nl"), |
|
158 (self.tr("Number, Other"), "No"), |
|
159 (self.tr("Punctuation, Any"), "P"), |
|
160 (self.tr("Punctuation, Connector"), "Pc"), |
|
161 (self.tr("Punctuation, Dash"), "Pd"), |
|
162 (self.tr("Punctuation, Close"), "Pe"), |
|
163 (self.tr("Punctuation, Final"), "Pf"), |
|
164 (self.tr("Punctuation, Initial"), "Pi"), |
|
165 (self.tr("Punctuation, Other"), "Po"), |
|
166 (self.tr("Punctuation, Open"), "Ps"), |
|
167 (self.tr("Symbol, Any"), "S"), |
|
168 (self.tr("Symbol, Currency"), "Sc"), |
|
169 (self.tr("Symbol, Modifier"), "Sk"), |
|
170 (self.tr("Symbol, Mathematical"), "Sm"), |
|
171 (self.tr("Symbol, Other"), "So"), |
|
172 (self.tr("Separator, Any"), "Z"), |
|
173 (self.tr("Separator, Line"), "Zl"), |
|
174 (self.tr("Separator, Paragraph"), "Zp"), |
|
175 (self.tr("Separator, Space"), "Zs"), |
|
176 (self.tr("Other, Any"), "C"), |
|
177 (self.tr("Other, Control"), "Cc"), |
|
178 (self.tr("Other, Format"), "Cf"), |
|
179 (self.tr("Other, Unassigned"), "Cn"), |
|
180 (self.tr("Other, Private Use"), "Co"), |
|
181 (self.tr("Other, Surrogat"), "Cn"), |
|
182 ) |
|
183 |
|
184 self.__specialCharacterCategories = ( |
|
185 # display name code |
|
186 (self.tr("Alphanumeric"), "Xan"), |
|
187 (self.tr("POSIX Space"), "Xps"), |
|
188 (self.tr("Perl Space"), "Xsp"), |
|
189 (self.tr("Universal Character"), "Xuc"), |
|
190 (self.tr("Perl Word"), "Xan"), |
|
191 ) |
|
192 |
|
193 self.__characterBlocks = ( |
|
194 # display name code |
|
195 (self.tr("Arabic"), "Arabic"), |
|
196 (self.tr("Armenian"), "Armenian"), |
|
197 (self.tr("Avestan"), "Avestan"), |
|
198 (self.tr("Balinese"), "Balinese"), |
|
199 (self.tr("Bamum"), "Bamum"), |
|
200 (self.tr("Batak"), "Batak"), |
|
201 (self.tr("Bengali"), "Bengali"), |
|
202 (self.tr("Bopomofo"), "Bopomofo"), |
|
203 (self.tr("Brahmi"), "Brahmi"), |
|
204 (self.tr("Braille"), "Braille"), |
|
205 (self.tr("Buginese"), "Buginese"), |
|
206 (self.tr("Buhid"), "Buhid"), |
|
207 (self.tr("Canadian Aboriginal"), "Canadian_Aboriginal"), |
|
208 (self.tr("Carian"), "Carian"), |
|
209 (self.tr("Chakma"), "Chakma"), |
|
210 (self.tr("Cham"), "Cham"), |
|
211 (self.tr("Cherokee"), "Cherokee"), |
|
212 (self.tr("Common"), "Common"), |
|
213 (self.tr("Coptic"), "Coptic"), |
|
214 (self.tr("Cuneiform"), "Cuneiform"), |
|
215 (self.tr("Cypriot"), "Cypriot"), |
|
216 (self.tr("Cyrillic"), "Cyrillic"), |
|
217 (self.tr("Deseret"), "Deseret,"), |
|
218 (self.tr("Devanagari"), "Devanagari"), |
|
219 (self.tr("Egyptian Hieroglyphs"), "Egyptian_Hieroglyphs"), |
|
220 (self.tr("Ethiopic"), "Ethiopic"), |
|
221 (self.tr("Georgian"), "Georgian"), |
|
222 (self.tr("Glagolitic"), "Glagolitic"), |
|
223 (self.tr("Gothic"), "Gothic"), |
|
224 (self.tr("Greek"), "Greek"), |
|
225 (self.tr("Gujarati"), "Gujarati"), |
|
226 (self.tr("Gurmukhi"), "Gurmukhi"), |
|
227 (self.tr("Han"), "Han"), |
|
228 (self.tr("Hangul"), "Hangul"), |
|
229 (self.tr("Hanunoo"), "Hanunoo"), |
|
230 (self.tr("Hebrew"), "Hebrew"), |
|
231 (self.tr("Hiragana"), "Hiragana"), |
|
232 (self.tr("Imperial Aramaic"), "Imperial_Aramaic"), |
|
233 (self.tr("Inherited"), "Inherited"), |
|
234 (self.tr("Inscriptional Pahlavi"), "Inscriptional_Pahlavi"), |
|
235 (self.tr("Inscriptional Parthian"), "Inscriptional_Parthian"), |
|
236 (self.tr("Javanese"), "Javanese"), |
|
237 (self.tr("Kaithi"), "Kaithi"), |
|
238 (self.tr("Kannada"), "Kannada"), |
|
239 (self.tr("Katakana"), "Katakana"), |
|
240 (self.tr("Kayah Li"), "Kayah_Li"), |
|
241 (self.tr("Kharoshthi"), "Kharoshthi"), |
|
242 (self.tr("Khmer"), "Khmer"), |
|
243 (self.tr("Lao"), "Lao"), |
|
244 (self.tr("Latin"), "Latin"), |
|
245 (self.tr("Lepcha"), "Lepcha"), |
|
246 (self.tr("Limbu"), "Limbu"), |
|
247 (self.tr("Linear B"), "Linear_B"), |
|
248 (self.tr("Lisu"), "Lisu"), |
|
249 (self.tr("Lycian"), "Lycian"), |
|
250 (self.tr("Lydian"), "Lydian"), |
|
251 (self.tr("Malayalam"), "Malayalam"), |
|
252 (self.tr("Mandaic"), "Mandaic"), |
|
253 (self.tr("Meetei Mayek"), "Meetei_Mayek"), |
|
254 (self.tr("Meroitic Cursive"), "Meroitic_Cursive"), |
|
255 (self.tr("Meroitic Hieroglyphs"), "Meroitic_Hieroglyphs"), |
|
256 (self.tr("Miao"), "Miao"), |
|
257 (self.tr("Mongolian"), "Mongolian"), |
|
258 (self.tr("Myanmar"), "Myanmar"), |
|
259 (self.tr("New Tai Lue"), "New_Tai_Lue"), |
|
260 (self.tr("N'Ko"), "Nko"), |
|
261 (self.tr("Ogham"), "Ogham"), |
|
262 (self.tr("Old Italic"), "Old_Italic"), |
|
263 (self.tr("Old Persian"), "Old_Persian"), |
|
264 (self.tr("Old South Arabian"), "Old_South_Arabian"), |
|
265 (self.tr("Old Turkic"), "Old_Turkic,"), |
|
266 (self.tr("Ol Chiki"), "Ol_Chiki"), |
|
267 (self.tr("Oriya"), "Oriya"), |
|
268 (self.tr("Osmanya"), "Osmanya"), |
|
269 (self.tr("Phags-pa"), "Phags_Pa"), |
|
270 (self.tr("Phoenician"), "Phoenician"), |
|
271 (self.tr("Rejang"), "Rejang"), |
|
272 (self.tr("Runic"), "Runic"), |
|
273 (self.tr("Samaritan"), "Samaritan"), |
|
274 (self.tr("Saurashtra"), "Saurashtra"), |
|
275 (self.tr("Sharada"), "Sharada"), |
|
276 (self.tr("Shavian"), "Shavian"), |
|
277 (self.tr("Sinhala"), "Sinhala"), |
|
278 (self.tr("Sora Sompeng"), "Sora_Sompeng"), |
|
279 (self.tr("Sundanese"), "Sundanese"), |
|
280 (self.tr("Syloti Nagri"), "Syloti_Nagri"), |
|
281 (self.tr("Syriac"), "Syriac"), |
|
282 (self.tr("Tagalog"), "Tagalog"), |
|
283 (self.tr("Tagbanwa"), "Tagbanwa"), |
|
284 (self.tr("Tai Le"), "Tai_Le"), |
|
285 (self.tr("Tai Tham"), "Tai_Tham"), |
|
286 (self.tr("Tai Viet"), "Tai_Viet"), |
|
287 (self.tr("Takri"), "Takri"), |
|
288 (self.tr("Tamil"), "Tamil"), |
|
289 (self.tr("Telugu"), "Telugu"), |
|
290 (self.tr("Thaana"), "Thaana"), |
|
291 (self.tr("Thai"), "Thai"), |
|
292 (self.tr("Tibetan"), "Tibetan"), |
|
293 (self.tr("Tifinagh"), "Tifinagh"), |
|
294 (self.tr("Ugaritic"), "Ugaritic"), |
|
295 (self.tr("Vai"), "Vai"), |
|
296 (self.tr("Yi"), "Yi"), |
|
297 ) |
|
298 |
|
299 self.__posixNamedSets = ( |
|
300 # display name code |
|
301 (self.tr("Alphanumeric"), "alnum"), |
|
302 (self.tr("Alphabetic"), "alpha"), |
|
303 (self.tr("ASCII"), "ascii"), |
|
304 (self.tr("Word Letter"), "word"), |
|
305 (self.tr("Lower Case Letter"), "lower"), |
|
306 (self.tr("Upper Case Letter"), "upper"), |
|
307 (self.tr("Decimal Digit"), "digit"), |
|
308 (self.tr("Hexadecimal Digit"), "xdigit"), |
|
309 (self.tr("Space or Tab"), "blank"), |
|
310 (self.tr("White Space"), "space"), |
|
311 (self.tr("Printing (excl. space)"), "graph"), |
|
312 (self.tr("Printing (incl. space)"), "print"), |
|
313 (self.tr("Printing (excl. alphanumeric)"), "punct"), |
|
314 (self.tr("Control Character"), "cntrl"), |
|
315 ) |
|
316 |
|
317 def __populateCharTypeCombo(self, combo, isSingle): |
|
318 """ |
|
319 Private method to populate a given character type selection combo box. |
|
320 |
|
321 @param combo reference to the combo box to be populated (QComboBox) |
|
322 @param isSingle flag indicating a singles combo (boolean) |
|
323 """ |
|
324 for txt, value in self.comboItems: |
|
325 combo.addItem(txt, value) |
|
326 if isSingle: |
|
327 for txt, value in self.singleComboItems: |
|
328 combo.addItem(txt, value) |
|
329 |
|
330 def __addSinglesLine(self): |
|
331 """ |
|
332 Private slot to add a line of entry widgets for single characters. |
|
333 """ |
|
334 hbox = QWidget(self.singlesItemsBox) |
|
335 hboxLayout = QHBoxLayout(hbox) |
|
336 hboxLayout.setContentsMargins(0, 0, 0, 0) |
|
337 hboxLayout.setSpacing(6) |
|
338 hbox.setLayout(hboxLayout) |
|
339 cb1 = QComboBox(hbox) |
|
340 cb1.setEditable(False) |
|
341 self.__populateCharTypeCombo(cb1, True) |
|
342 hboxLayout.addWidget(cb1) |
|
343 le1 = QLineEdit(hbox) |
|
344 le1.setValidator(self.charValidator) |
|
345 hboxLayout.addWidget(le1) |
|
346 cb1a = QComboBox(hbox) |
|
347 cb1a.setEditable(False) |
|
348 cb1a.setSizeAdjustPolicy(QComboBox.AdjustToContents) |
|
349 hboxLayout.addWidget(cb1a) |
|
350 cb1a.hide() |
|
351 cb2 = QComboBox(hbox) |
|
352 cb2.setEditable(False) |
|
353 self.__populateCharTypeCombo(cb2, True) |
|
354 hboxLayout.addWidget(cb2) |
|
355 le2 = QLineEdit(hbox) |
|
356 le2.setValidator(self.charValidator) |
|
357 hboxLayout.addWidget(le2) |
|
358 cb2a = QComboBox(hbox) |
|
359 cb2a.setEditable(False) |
|
360 cb2a.setSizeAdjustPolicy(QComboBox.AdjustToContents) |
|
361 hboxLayout.addWidget(cb2a) |
|
362 cb2a.hide() |
|
363 self.singlesItemsBoxLayout.addWidget(hbox) |
|
364 |
|
365 cb1.activated[int].connect( |
|
366 lambda i: self.__singlesCharTypeSelected(i, cb1)) |
|
367 cb2.activated[int].connect( |
|
368 lambda i: self.__singlesCharTypeSelected(i, cb2)) |
|
369 hbox.show() |
|
370 |
|
371 self.singlesItemsBox.adjustSize() |
|
372 |
|
373 self.singlesEntries.append([cb1, le1, cb1a]) |
|
374 self.singlesEntries.append([cb2, le2, cb2a]) |
|
375 |
|
376 def __addRangesLine(self): |
|
377 """ |
|
378 Private slot to add a line of entry widgets for character ranges. |
|
379 """ |
|
380 hbox = QWidget(self.rangesItemsBox) |
|
381 hboxLayout = QHBoxLayout(hbox) |
|
382 hboxLayout.setContentsMargins(0, 0, 0, 0) |
|
383 hboxLayout.setSpacing(6) |
|
384 hbox.setLayout(hboxLayout) |
|
385 cb1 = QComboBox(hbox) |
|
386 cb1.setEditable(False) |
|
387 self.__populateCharTypeCombo(cb1, False) |
|
388 hboxLayout.addWidget(cb1) |
|
389 l1 = QLabel(self.tr("Between:"), hbox) |
|
390 hboxLayout.addWidget(l1) |
|
391 le1 = QLineEdit(hbox) |
|
392 le1.setValidator(self.charValidator) |
|
393 hboxLayout.addWidget(le1) |
|
394 l2 = QLabel(self.tr("And:"), hbox) |
|
395 hboxLayout.addWidget(l2) |
|
396 le2 = QLineEdit(hbox) |
|
397 le2.setValidator(self.charValidator) |
|
398 hboxLayout.addWidget(le2) |
|
399 self.rangesItemsBoxLayout.addWidget(hbox) |
|
400 |
|
401 cb1.activated[int].connect( |
|
402 lambda i: self.__rangesCharTypeSelected(i, cb1)) |
|
403 |
|
404 hbox.show() |
|
405 |
|
406 self.rangesItemsBox.adjustSize() |
|
407 |
|
408 self.rangesEntries.append([cb1, le1, le2]) |
|
409 |
|
410 def __populateCharacterCombo(self, combo, formatIdentifier): |
|
411 """ |
|
412 Private method to populate a character selection combo. |
|
413 |
|
414 @param combo combo box to be populated (QComboBox) |
|
415 @param formatIdentifier format identifier (one of "-ccp", "-ccn", |
|
416 "-cbp", "-cbn", "-csp", "-csn", "-psp", "-psn") |
|
417 """ |
|
418 combo.clear() |
|
419 |
|
420 if formatIdentifier in ["-ccp", "-ccn"]: |
|
421 items = self.__characterCategories |
|
422 elif formatIdentifier in ["-csp", "-csn"]: |
|
423 items = self.__specialCharacterCategories |
|
424 elif formatIdentifier in ["-cbp", "-cbn"]: |
|
425 items = self.__characterBlocks |
|
426 elif formatIdentifier in ["-psp", "-psn"]: |
|
427 items = self.__posixNamedSets |
|
428 |
|
429 comboLen = 0 |
|
430 for txt, code in items: |
|
431 combo.addItem(txt, code) |
|
432 comboLen = max(comboLen, len(txt)) |
|
433 combo.setMinimumContentsLength(comboLen) |
|
434 |
|
435 def __performSelectedAction(self, formatIdentifier, lineedit, combo): |
|
436 """ |
|
437 Private method performing some actions depending on the input. |
|
438 |
|
439 @param formatIdentifier format of the selected entry (string) |
|
440 @param lineedit line edit widget to act on (QLineEdit) |
|
441 @param combo combo box widget to act on (QComboBox) |
|
442 """ |
|
443 if formatIdentifier == "-i": |
|
444 return |
|
445 |
|
446 if formatIdentifier in ["-c", "-h", "-o"]: |
|
447 lineedit.show() |
|
448 lineedit.setEnabled(True) |
|
449 if combo is not None: |
|
450 combo.hide() |
|
451 if formatIdentifier == "-c": |
|
452 lineedit.setValidator(self.charValidator) |
|
453 elif formatIdentifier == "-h": |
|
454 lineedit.setValidator(self.hexValidator) |
|
455 elif formatIdentifier == "-o": |
|
456 lineedit.setValidator(self.octValidator) |
|
457 elif formatIdentifier in ["-ccp", "-ccn", "-cbp", "-cbn", "-csp", |
|
458 "-csn", "-psp", "-psn"]: |
|
459 lineedit.setEnabled(False) |
|
460 lineedit.hide() |
|
461 if combo is not None: |
|
462 combo.show() |
|
463 self.__populateCharacterCombo(combo, formatIdentifier) |
|
464 else: |
|
465 lineedit.setEnabled(False) |
|
466 lineedit.hide() |
|
467 if combo is not None: |
|
468 combo.hide() |
|
469 lineedit.clear() |
|
470 |
|
471 def __singlesCharTypeSelected(self, index, combo): |
|
472 """ |
|
473 Private slot to handle the activated(int) signal of the single chars |
|
474 combo boxes. |
|
475 |
|
476 @param index selected list index |
|
477 @type int |
|
478 @param combo reference to the combo box |
|
479 @type QComboBox |
|
480 """ |
|
481 for entriesList in self.singlesEntries: |
|
482 if combo == entriesList[0]: |
|
483 formatIdentifier = combo.itemData(index) |
|
484 self.__performSelectedAction( |
|
485 formatIdentifier, entriesList[1], entriesList[2]) |
|
486 break |
|
487 |
|
488 def __rangesCharTypeSelected(self, index, combo): |
|
489 """ |
|
490 Private slot to handle the activated(int) signal of the char ranges |
|
491 combo boxes. |
|
492 |
|
493 @param index selected list index |
|
494 @type int |
|
495 @param combo reference to the combo box |
|
496 @type QComboBox |
|
497 """ |
|
498 for entriesList in self.rangesEntries: |
|
499 if combo == entriesList[0]: |
|
500 formatIdentifier = combo.itemData(index) |
|
501 self.__performSelectedAction(formatIdentifier, entriesList[1], |
|
502 None) |
|
503 self.__performSelectedAction(formatIdentifier, entriesList[2], |
|
504 None) |
|
505 break |
|
506 |
|
507 def __formatCharacter(self, char, formatIdentifier): |
|
508 """ |
|
509 Private method to format the characters entered into the dialog. |
|
510 |
|
511 @param char character string entered into the dialog (string) |
|
512 @param formatIdentifier string giving a special format (-c, -h, -i or |
|
513 -o) or the already formatted character (string) |
|
514 @return formatted character string (string) |
|
515 """ |
|
516 if formatIdentifier == "-c": |
|
517 return char |
|
518 elif formatIdentifier == "-i": |
|
519 return "" |
|
520 |
|
521 if formatIdentifier == "-h": |
|
522 while len(char) < 2: |
|
523 char = "0" + char |
|
524 if len(char) > 2: |
|
525 return "\\x{{{0}}}".format(char.lower()) |
|
526 else: |
|
527 return "\\x{0}".format(char.lower()) |
|
528 elif formatIdentifier == "-o": |
|
529 while len(char) < 3: |
|
530 char = "0" + char |
|
531 if len(char) > 3: |
|
532 char = char[:3] |
|
533 return "\\{0}".format(char) |
|
534 elif formatIdentifier in ["-ccp", "-cbp", "-csp"]: |
|
535 return "\\p{{{0}}}".format(char) |
|
536 elif formatIdentifier in ["-ccn", "-cbn", "-csn"]: |
|
537 return "\\P{{{0}}}".format(char) |
|
538 elif formatIdentifier == "-psp": |
|
539 return "[:{0}:]".format(char) |
|
540 elif formatIdentifier == "-psn": |
|
541 return "[:^{0}:]".format(char) |
|
542 else: |
|
543 return formatIdentifier |
|
544 |
|
545 def getCharacters(self): |
|
546 """ |
|
547 Public method to return the character string assembled via the dialog. |
|
548 |
|
549 @return formatted string for character classes (string) |
|
550 """ |
|
551 regexp = "" |
|
552 |
|
553 # negative character range |
|
554 if self.negativeCheckBox.isChecked(): |
|
555 regexp += "^" |
|
556 |
|
557 # predefined character ranges |
|
558 if self.wordCharCheckBox.isChecked(): |
|
559 regexp += "\\w" |
|
560 if self.nonWordCharCheckBox.isChecked(): |
|
561 regexp += "\\W" |
|
562 if self.digitsCheckBox.isChecked(): |
|
563 regexp += "\\d" |
|
564 if self.nonDigitsCheckBox.isChecked(): |
|
565 regexp += "\\D" |
|
566 if self.newlineCheckBox.isChecked(): |
|
567 regexp += "\\R" |
|
568 if self.nonNewlineCheckBox.isChecked(): |
|
569 regexp += "\\N" |
|
570 if self.whitespaceCheckBox.isChecked(): |
|
571 regexp += "\\s" |
|
572 if self.nonWhitespaceCheckBox.isChecked(): |
|
573 regexp += "\\S" |
|
574 if self.horizontalWhitespaceCheckBox.isChecked(): |
|
575 regexp += "\\h" |
|
576 if self.nonHorizontalWhitespaceCheckBox.isChecked(): |
|
577 regexp += "\\H" |
|
578 if self.verticalWhitespaceCheckBox.isChecked(): |
|
579 regexp += "\\v" |
|
580 if self.nonVerticalWhitespaceCheckBox.isChecked(): |
|
581 regexp += "\\V" |
|
582 |
|
583 # single characters |
|
584 for entrieslist in self.singlesEntries: |
|
585 formatIdentifier = entrieslist[0].itemData( |
|
586 entrieslist[0].currentIndex()) |
|
587 if formatIdentifier in ["-ccp", "-ccn", "-cbp", "-cbn", "-csp", |
|
588 "-csn", "-psp", "-psn"]: |
|
589 char = entrieslist[2].itemData(entrieslist[2].currentIndex()) |
|
590 else: |
|
591 char = entrieslist[1].text() |
|
592 regexp += self.__formatCharacter(char, formatIdentifier) |
|
593 |
|
594 # character ranges |
|
595 for entrieslist in self.rangesEntries: |
|
596 if not entrieslist[1].text() or \ |
|
597 not entrieslist[2].text(): |
|
598 continue |
|
599 formatIdentifier = entrieslist[0].itemData( |
|
600 entrieslist[0].currentIndex()) |
|
601 char1 = entrieslist[1].text() |
|
602 char2 = entrieslist[2].text() |
|
603 regexp += "{0}-{1}".format( |
|
604 self.__formatCharacter(char1, formatIdentifier), |
|
605 self.__formatCharacter(char2, formatIdentifier)) |
|
606 |
|
607 if regexp: |
|
608 if (regexp.startswith("\\") and |
|
609 regexp.count("\\") == 1 and |
|
610 "-" not in regexp) or \ |
|
611 len(regexp) == 1: |
|
612 return regexp |
|
613 else: |
|
614 return "[{0}]".format(regexp) |
|
615 else: |
|
616 return "" |