Mercurial Repositories > eric / file revision
Plugins/WizardPlugins/QRegularExpressionWizard/QRegularExpressionWizardCharactersDialog.py@071afe8be2a1
Plugins/WizardPlugins/QRegularExpressionWizard/QRegularExpressionWizardCharactersDialog.py
Sat, 08 Mar 2014 20:09:41 +0100
- author
- Detlev Offenbach <detlev@die-offenbachs.de>
- date
- Sat, 08 Mar 2014 20:09:41 +0100
- changeset 3345
- 071afe8be2a1
- parent 3190
- a9a94491c4fd
- child 3484
- 645c12de6b0c
- permissions
- -rw-r--r--
Changed signal/slot usage to not use constructs like 'triggered[()].connect(...)' anymore.
# -*- coding: utf-8 -*- # Copyright (c) 2013 - 2014 Detlev Offenbach <detlev@die-offenbachs.de> # """ Module implementing a dialog for entering character classes. """ from PyQt4.QtCore import QRegExp from PyQt4.QtGui import QWidget, QDialog, QVBoxLayout, QHBoxLayout, \ QScrollArea, QPushButton, QSpacerItem, QSizePolicy, QComboBox, \ QRegExpValidator, QLineEdit, QLabel from .Ui_QRegularExpressionWizardCharactersDialog import \ Ui_QRegularExpressionWizardCharactersDialog class QRegularExpressionWizardCharactersDialog( QDialog, Ui_QRegularExpressionWizardCharactersDialog): """ Class implementing a dialog for entering character classes. """ def __init__(self, parent=None): """ Constructor @param parent reference to the parent widget (QWidget) """ super().__init__(parent) self.setupUi(self) self.__initCharacterSelectors() self.comboItems = [] self.singleComboItems = [] # these are in addition to the above self.comboItems.append((self.tr("Normal character"), "-c")) self.comboItems.append((self.tr( "Unicode character in hexadecimal notation"), "-h")) self.comboItems.append((self.tr( "ASCII/Latin1 character in octal notation"), "-o")) self.singleComboItems.extend([ ("---", "-i"), (self.tr("Bell character (\\a)"), "\\a"), (self.tr("Escape character (\\e)"), "\\e"), (self.tr("Page break (\\f)"), "\\f"), (self.tr("Line feed (\\n)"), "\\n"), (self.tr("Carriage return (\\r)"), "\\r"), (self.tr("Horizontal tabulator (\\t)"), "\\t"), ("---", "-i"), (self.tr("Character Category"), "-ccp"), (self.tr("Special Character Category"), "-csp"), (self.tr("Character Block"), "-cbp"), (self.tr("POSIX Named Set"), "-psp"), (self.tr("Not Character Category"), "-ccn"), (self.tr("Not Character Block"), "-cbn"), (self.tr("Not Special Character Category"), "-csn"), (self.tr("Not POSIX Named Set"), "-psn"), ]) self.charValidator = QRegExpValidator(QRegExp(".{0,1}"), self) self.hexValidator = QRegExpValidator(QRegExp("[0-9a-fA-F]{0,4}"), self) self.octValidator = QRegExpValidator(QRegExp("[0-3]?[0-7]{0,2}"), self) # generate dialog part for single characters self.singlesBoxLayout = QVBoxLayout(self.singlesBox) self.singlesBoxLayout.setObjectName("singlesBoxLayout") self.singlesBoxLayout.setSpacing(6) self.singlesBoxLayout.setContentsMargins(6, 6, 6, 6) self.singlesBox.setLayout(self.singlesBoxLayout) self.singlesView = QScrollArea(self.singlesBox) self.singlesView.setObjectName("singlesView") self.singlesBoxLayout.addWidget(self.singlesView) self.singlesItemsBox = QWidget(self) self.singlesView.setWidget(self.singlesItemsBox) self.singlesItemsBox.setObjectName("singlesItemsBox") self.singlesItemsBox.setMinimumWidth(1000) self.singlesItemsBoxLayout = QVBoxLayout(self.singlesItemsBox) self.singlesItemsBoxLayout.setContentsMargins(6, 6, 6, 6) self.singlesItemsBoxLayout.setSpacing(6) self.singlesItemsBox.setLayout(self.singlesItemsBoxLayout) self.singlesEntries = [] self.__addSinglesLine() hlayout0 = QHBoxLayout() hlayout0.setContentsMargins(0, 0, 0, 0) hlayout0.setSpacing(6) hlayout0.setObjectName("hlayout0") self.moreSinglesButton = QPushButton( self.tr("Additional Entries"), self.singlesBox) self.moreSinglesButton.setObjectName("moreSinglesButton") hlayout0.addWidget(self.moreSinglesButton) hspacer0 = QSpacerItem( 30, 20, QSizePolicy.Expanding, QSizePolicy.Minimum) hlayout0.addItem(hspacer0) self.singlesBoxLayout.addLayout(hlayout0) self.moreSinglesButton.clicked.connect(self.__addSinglesLine) # generate dialog part for character ranges self.rangesBoxLayout = QVBoxLayout(self.rangesBox) self.rangesBoxLayout.setObjectName("rangesBoxLayout") self.rangesBoxLayout.setSpacing(6) self.rangesBoxLayout.setContentsMargins(6, 6, 6, 6) self.rangesBox.setLayout(self.rangesBoxLayout) self.rangesView = QScrollArea(self.rangesBox) self.rangesView.setObjectName("rangesView") self.rangesBoxLayout.addWidget(self.rangesView) self.rangesItemsBox = QWidget(self) self.rangesView.setWidget(self.rangesItemsBox) self.rangesItemsBox.setObjectName("rangesItemsBox") self.rangesItemsBox.setMinimumWidth(1000) self.rangesItemsBoxLayout = QVBoxLayout(self.rangesItemsBox) self.rangesItemsBoxLayout.setContentsMargins(6, 6, 6, 6) self.rangesItemsBoxLayout.setSpacing(6) self.rangesItemsBox.setLayout(self.rangesItemsBoxLayout) self.rangesEntries = [] self.__addRangesLine() hlayout1 = QHBoxLayout() hlayout1.setContentsMargins(0, 0, 0, 0) hlayout1.setSpacing(6) hlayout1.setObjectName("hlayout1") self.moreRangesButton = QPushButton( self.tr("Additional Entries"), self.rangesBox) self.moreSinglesButton.setObjectName("moreRangesButton") hlayout1.addWidget(self.moreRangesButton) hspacer1 = QSpacerItem( 30, 20, QSizePolicy.Expanding, QSizePolicy.Minimum) hlayout1.addItem(hspacer1) self.rangesBoxLayout.addLayout(hlayout1) self.moreRangesButton.clicked.connect(self.__addRangesLine) def __initCharacterSelectors(self): """ Private method to initialize the W3C character selector entries. """ self.__characterCategories = ( # display name code (self.tr("Letter, Any"), "L"), (self.tr("Letter, Lower case"), "Ll"), (self.tr("Letter, Modifier"), "Lm"), (self.tr("Letter, Other"), "Lo"), (self.tr("Letter, Title case"), "Lt"), (self.tr("Letter, Upper case"), "Lu"), (self.tr("Letter, Lower, Upper or Title"), "L&"), (self.tr("Mark, Any"), "M"), (self.tr("Mark, Spacing"), "Mc"), (self.tr("Mark, Enclosing"), "Me"), (self.tr("Mark, Non-spacing"), "Mn"), (self.tr("Number, Any"), "N"), (self.tr("Number, Decimal"), "Nd"), (self.tr("Number, Letter"), "Nl"), (self.tr("Number, Other"), "No"), (self.tr("Punctuation, Any"), "P"), (self.tr("Punctuation, Connector"), "Pc"), (self.tr("Punctuation, Dash"), "Pd"), (self.tr("Punctuation, Close"), "Pe"), (self.tr("Punctuation, Final"), "Pf"), (self.tr("Punctuation, Initial"), "Pi"), (self.tr("Punctuation, Other"), "Po"), (self.tr("Punctuation, Open"), "Ps"), (self.tr("Symbol, Any"), "S"), (self.tr("Symbol, Currency"), "Sc"), (self.tr("Symbol, Modifier"), "Sk"), (self.tr("Symbol, Mathematical"), "Sm"), (self.tr("Symbol, Other"), "So"), (self.tr("Separator, Any"), "Z"), (self.tr("Separator, Line"), "Zl"), (self.tr("Separator, Paragraph"), "Zp"), (self.tr("Separator, Space"), "Zs"), (self.tr("Other, Any"), "C"), (self.tr("Other, Control"), "Cc"), (self.tr("Other, Format"), "Cf"), (self.tr("Other, Unassigned"), "Cn"), (self.tr("Other, Private Use"), "Co"), (self.tr("Other, Surrogat"), "Cn"), ) self.__specialCharacterCategories = ( # display name code (self.tr("Alphanumeric"), "Xan"), (self.tr("POSIX Space"), "Xps"), (self.tr("Perl Space"), "Xsp"), (self.tr("Universal Character"), "Xuc"), (self.tr("Perl Word"), "Xan"), ) self.__characterBlocks = ( # display name code (self.tr("Arabic"), "Arabic"), (self.tr("Armenian"), "Armenian"), (self.tr("Avestan"), "Avestan"), (self.tr("Balinese"), "Balinese"), (self.tr("Bamum"), "Bamum"), (self.tr("Batak"), "Batak"), (self.tr("Bengali"), "Bengali"), (self.tr("Bopomofo"), "Bopomofo"), (self.tr("Brahmi"), "Brahmi"), (self.tr("Braille"), "Braille"), (self.tr("Buginese"), "Buginese"), (self.tr("Buhid"), "Buhid"), (self.tr("Canadian Aboriginal"), "Canadian_Aboriginal"), (self.tr("Carian"), "Carian"), (self.tr("Chakma"), "Chakma"), (self.tr("Cham"), "Cham"), (self.tr("Cherokee"), "Cherokee"), (self.tr("Common"), "Common"), (self.tr("Coptic"), "Coptic"), (self.tr("Cuneiform"), "Cuneiform"), (self.tr("Cypriot"), "Cypriot"), (self.tr("Cyrillic"), "Cyrillic"), (self.tr("Deseret"), "Deseret,"), (self.tr("Devanagari"), "Devanagari"), (self.tr("Egyptian Hieroglyphs"), "Egyptian_Hieroglyphs"), (self.tr("Ethiopic"), "Ethiopic"), (self.tr("Georgian"), "Georgian"), (self.tr("Glagolitic"), "Glagolitic"), (self.tr("Gothic"), "Gothic"), (self.tr("Greek"), "Greek"), (self.tr("Gujarati"), "Gujarati"), (self.tr("Gurmukhi"), "Gurmukhi"), (self.tr("Han"), "Han"), (self.tr("Hangul"), "Hangul"), (self.tr("Hanunoo"), "Hanunoo"), (self.tr("Hebrew"), "Hebrew"), (self.tr("Hiragana"), "Hiragana"), (self.tr("Imperial Aramaic"), "Imperial_Aramaic"), (self.tr("Inherited"), "Inherited"), (self.tr("Inscriptional Pahlavi"), "Inscriptional_Pahlavi"), (self.tr("Inscriptional Parthian"), "Inscriptional_Parthian"), (self.tr("Javanese"), "Javanese"), (self.tr("Kaithi"), "Kaithi"), (self.tr("Kannada"), "Kannada"), (self.tr("Katakana"), "Katakana"), (self.tr("Kayah Li"), "Kayah_Li"), (self.tr("Kharoshthi"), "Kharoshthi"), (self.tr("Khmer"), "Khmer"), (self.tr("Lao"), "Lao"), (self.tr("Latin"), "Latin"), (self.tr("Lepcha"), "Lepcha"), (self.tr("Limbu"), "Limbu"), (self.tr("Linear B"), "Linear_B"), (self.tr("Lisu"), "Lisu"), (self.tr("Lycian"), "Lycian"), (self.tr("Lydian"), "Lydian"), (self.tr("Malayalam"), "Malayalam"), (self.tr("Mandaic"), "Mandaic"), (self.tr("Meetei Mayek"), "Meetei_Mayek"), (self.tr("Meroitic Cursive"), "Meroitic_Cursive"), (self.tr("Meroitic Hieroglyphs"), "Meroitic_Hieroglyphs"), (self.tr("Miao"), "Miao"), (self.tr("Mongolian"), "Mongolian"), (self.tr("Myanmar"), "Myanmar"), (self.tr("New Tai Lue"), "New_Tai_Lue"), (self.tr("N'Ko"), "Nko"), (self.tr("Ogham"), "Ogham"), (self.tr("Old Italic"), "Old_Italic"), (self.tr("Old Persian"), "Old_Persian"), (self.tr("Old South Arabian"), "Old_South_Arabian"), (self.tr("Old Turkic"), "Old_Turkic,"), (self.tr("Ol Chiki"), "Ol_Chiki"), (self.tr("Oriya"), "Oriya"), (self.tr("Osmanya"), "Osmanya"), (self.tr("Phags-pa"), "Phags_Pa"), (self.tr("Phoenician"), "Phoenician"), (self.tr("Rejang"), "Rejang"), (self.tr("Runic"), "Runic"), (self.tr("Samaritan"), "Samaritan"), (self.tr("Saurashtra"), "Saurashtra"), (self.tr("Sharada"), "Sharada"), (self.tr("Shavian"), "Shavian"), (self.tr("Sinhala"), "Sinhala"), (self.tr("Sora Sompeng"), "Sora_Sompeng"), (self.tr("Sundanese"), "Sundanese"), (self.tr("Syloti Nagri"), "Syloti_Nagri"), (self.tr("Syriac"), "Syriac"), (self.tr("Tagalog"), "Tagalog"), (self.tr("Tagbanwa"), "Tagbanwa"), (self.tr("Tai Le"), "Tai_Le"), (self.tr("Tai Tham"), "Tai_Tham"), (self.tr("Tai Viet"), "Tai_Viet"), (self.tr("Takri"), "Takri"), (self.tr("Tamil"), "Tamil"), (self.tr("Telugu"), "Telugu"), (self.tr("Thaana"), "Thaana"), (self.tr("Thai"), "Thai"), (self.tr("Tibetan"), "Tibetan"), (self.tr("Tifinagh"), "Tifinagh"), (self.tr("Ugaritic"), "Ugaritic"), (self.tr("Vai"), "Vai"), (self.tr("Yi"), "Yi"), ) self.__posixNamedSets = ( # display name code (self.tr("Alphanumeric"), "alnum"), (self.tr("Alphabetic"), "alpha"), (self.tr("ASCII"), "ascii"), (self.tr("Word Letter"), "word"), (self.tr("Lower Case Letter"), "lower"), (self.tr("Upper Case Letter"), "upper"), (self.tr("Decimal Digit"), "digit"), (self.tr("Hexadecimal Digit"), "xdigit"), (self.tr("Space or Tab"), "blank"), (self.tr("White Space"), "space"), (self.tr("Printing (excl. space)"), "graph"), (self.tr("Printing (incl. space)"), "print"), (self.tr("Printing (excl. alphanumeric)"), "punct"), (self.tr("Control Character"), "cntrl"), ) def __populateCharTypeCombo(self, combo, isSingle): """ Private method to populate a given character type selection combo box. @param combo reference to the combo box to be populated (QComboBox) @param isSingle flag indicating a singles combo (boolean) """ for txt, value in self.comboItems: combo.addItem(txt, value) if isSingle: for txt, value in self.singleComboItems: combo.addItem(txt, value) def __addSinglesLine(self): """ Private slot to add a line of entry widgets for single characters. """ hbox = QWidget(self.singlesItemsBox) hboxLayout = QHBoxLayout(hbox) hboxLayout.setContentsMargins(0, 0, 0, 0) hboxLayout.setSpacing(6) hbox.setLayout(hboxLayout) cb1 = QComboBox(hbox) cb1.setEditable(False) self.__populateCharTypeCombo(cb1, True) hboxLayout.addWidget(cb1) le1 = QLineEdit(hbox) le1.setValidator(self.charValidator) hboxLayout.addWidget(le1) cb1a = QComboBox(hbox) cb1a.setEditable(False) cb1a.setSizeAdjustPolicy(QComboBox.AdjustToContents) hboxLayout.addWidget(cb1a) cb1a.hide() cb2 = QComboBox(hbox) cb2.setEditable(False) self.__populateCharTypeCombo(cb2, True) hboxLayout.addWidget(cb2) le2 = QLineEdit(hbox) le2.setValidator(self.charValidator) hboxLayout.addWidget(le2) cb2a = QComboBox(hbox) cb2a.setEditable(False) cb2a.setSizeAdjustPolicy(QComboBox.AdjustToContents) hboxLayout.addWidget(cb2a) cb2a.hide() self.singlesItemsBoxLayout.addWidget(hbox) cb1.activated[int].connect(self.__singlesCharTypeSelected) cb2.activated[int].connect(self.__singlesCharTypeSelected) hbox.show() self.singlesItemsBox.adjustSize() self.singlesEntries.append([cb1, le1, cb1a]) self.singlesEntries.append([cb2, le2, cb2a]) def __addRangesLine(self): """ Private slot to add a line of entry widgets for character ranges. """ hbox = QWidget(self.rangesItemsBox) hboxLayout = QHBoxLayout(hbox) hboxLayout.setContentsMargins(0, 0, 0, 0) hboxLayout.setSpacing(6) hbox.setLayout(hboxLayout) cb1 = QComboBox(hbox) cb1.setEditable(False) self.__populateCharTypeCombo(cb1, False) hboxLayout.addWidget(cb1) l1 = QLabel(self.tr("Between:"), hbox) hboxLayout.addWidget(l1) le1 = QLineEdit(hbox) le1.setValidator(self.charValidator) hboxLayout.addWidget(le1) l2 = QLabel(self.tr("And:"), hbox) hboxLayout.addWidget(l2) le2 = QLineEdit(hbox) le2.setValidator(self.charValidator) hboxLayout.addWidget(le2) self.rangesItemsBoxLayout.addWidget(hbox) cb1.activated[int].connect(self.__rangesCharTypeSelected) hbox.show() self.rangesItemsBox.adjustSize() self.rangesEntries.append([cb1, le1, le2]) def __populateCharacterCombo(self, combo, format): """ Private method to populate a character selection combo. @param combo combo box to be populated (QComboBox) @param format format identifier (one of "-ccp", "-ccn", "-cbp", "-cbn", "-csp", "-csn", "-psp", "-psn") """ combo.clear() if format in ["-ccp", "-ccn"]: items = self.__characterCategories elif format in ["-csp", "-csn"]: items = self.__specialCharacterCategories elif format in ["-cbp", "-cbn"]: items = self.__characterBlocks elif format in ["-psp", "-psn"]: items = self.__posixNamedSets comboLen = 0 for txt, code in items: combo.addItem(txt, code) comboLen = max(comboLen, len(txt)) combo.setMinimumContentsLength(comboLen) def __performSelectedAction(self, format, lineedit, combo): """ Private method performing some actions depending on the input. @param format format of the selected entry (string) @param lineedit line edit widget to act on (QLineEdit) @param combo combo box widget to act on (QComboBox) """ if format == "-i": return if format in ["-c", "-h", "-o"]: lineedit.show() lineedit.setEnabled(True) if combo is not None: combo.hide() if format == "-c": lineedit.setValidator(self.charValidator) elif format == "-h": lineedit.setValidator(self.hexValidator) elif format == "-o": lineedit.setValidator(self.octValidator) elif format in ["-ccp", "-ccn", "-cbp", "-cbn", "-csp", "-csn", "-psp", "-psn"]: lineedit.setEnabled(False) lineedit.hide() if combo is not None: combo.show() self.__populateCharacterCombo(combo, format) else: lineedit.setEnabled(False) lineedit.hide() if combo is not None: combo.hide() lineedit.clear() def __singlesCharTypeSelected(self, index): """ Private slot to handle the activated(int) signal of the single chars combo boxes. @param index selected list index (integer) """ combo = self.sender() for entriesList in self.singlesEntries: if combo == entriesList[0]: format = combo.itemData(index) self.__performSelectedAction( format, entriesList[1], entriesList[2]) break def __rangesCharTypeSelected(self, index): """ Private slot to handle the activated(int) signal of the char ranges combo boxes. @param index selected list index (integer) """ combo = self.sender() for entriesList in self.rangesEntries: if combo == entriesList[0]: format = combo.itemData(index) self.__performSelectedAction(format, entriesList[1], None) self.__performSelectedAction(format, entriesList[2], None) break def __formatCharacter(self, char, format): """ Private method to format the characters entered into the dialog. @param char character string entered into the dialog (string) @param format string giving a special format (-c, -h, -i or -o) or the already formatted character (string) @return formatted character string (string) """ if format == "-c": return char elif format == "-i": return "" if format == "-h": while len(char) < 2: char = "0" + char if len(char) > 2: return "\\x{{{0}}}".format(char.lower()) else: return "\\x{0}".format(char.lower()) elif format == "-o": while len(char) < 3: char = "0" + char if len(char) > 3: char = char[:3] return "\\{0}".format(char) elif format in ["-ccp", "-cbp", "-csp"]: return "\\p{{{0}}}".format(char) elif format in ["-ccn", "-cbn", "-csn"]: return "\\P{{{0}}}".format(char) elif format == "-psp": return "[:{0}:]".format(char) elif format == "-psn": return "[:^{0}:]".format(char) else: return format def getCharacters(self): """ Public method to return the character string assembled via the dialog. @return formatted string for character classes (string) """ regexp = "" # negative character range if self.negativeCheckBox.isChecked(): regexp += "^" # predefined character ranges if self.wordCharCheckBox.isChecked(): regexp += "\\w" if self.nonWordCharCheckBox.isChecked(): regexp += "\\W" if self.digitsCheckBox.isChecked(): regexp += "\\d" if self.nonDigitsCheckBox.isChecked(): regexp += "\\D" if self.newlineCheckBox.isChecked(): regexp += "\\R" if self.nonNewlineCheckBox.isChecked(): regexp += "\\N" if self.whitespaceCheckBox.isChecked(): regexp += "\\s" if self.nonWhitespaceCheckBox.isChecked(): regexp += "\\S" if self.horizontalWhitespaceCheckBox.isChecked(): regexp += "\\h" if self.nonHorizontalWhitespaceCheckBox.isChecked(): regexp += "\\H" if self.verticalWhitespaceCheckBox.isChecked(): regexp += "\\v" if self.nonVerticalWhitespaceCheckBox.isChecked(): regexp += "\\V" # single characters for entrieslist in self.singlesEntries: format = entrieslist[0].itemData(entrieslist[0].currentIndex()) if format in ["-ccp", "-ccn", "-cbp", "-cbn", "-csp", "-csn", "-psp", "-psn"]: char = entrieslist[2].itemData(entrieslist[2].currentIndex()) else: char = entrieslist[1].text() regexp += self.__formatCharacter(char, format) # character ranges for entrieslist in self.rangesEntries: if not entrieslist[1].text() or \ not entrieslist[2].text(): continue format = entrieslist[0].itemData(entrieslist[0].currentIndex()) char1 = entrieslist[1].text() char2 = entrieslist[2].text() regexp += "{0}-{1}".format( self.__formatCharacter(char1, format), self.__formatCharacter(char2, format)) if regexp: if (regexp.startswith("\\") and regexp.count("\\") == 1 and "-" not in regexp) or \ len(regexp) == 1: return regexp else: return "[{0}]".format(regexp) else: return ""
