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1 # -*- coding: utf-8 -*- |
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2 |
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3 # Copyright (c) 2013 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> |
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4 # |
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5 |
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6 """ |
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7 Module implementing a dialog for entering character classes. |
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8 """ |
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9 |
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10 from PyQt5.QtCore import QRegularExpression |
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11 from PyQt5.QtGui import QRegularExpressionValidator |
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12 from PyQt5.QtWidgets import ( |
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13 QWidget, QDialog, QVBoxLayout, QHBoxLayout, QScrollArea, QPushButton, |
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14 QSpacerItem, QSizePolicy, QComboBox, QLineEdit, QLabel |
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15 ) |
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16 |
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17 from .Ui_QRegularExpressionWizardCharactersDialog import ( |
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18 Ui_QRegularExpressionWizardCharactersDialog |
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19 ) |
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20 |
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21 |
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22 class QRegularExpressionWizardCharactersDialog( |
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23 QDialog, Ui_QRegularExpressionWizardCharactersDialog): |
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24 """ |
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25 Class implementing a dialog for entering character classes. |
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26 """ |
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27 def __init__(self, parent=None): |
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28 """ |
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29 Constructor |
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30 |
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31 @param parent reference to the parent widget (QWidget) |
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32 """ |
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33 super().__init__(parent) |
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34 self.setupUi(self) |
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35 |
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36 self.__initCharacterSelectors() |
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37 |
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38 self.comboItems = [] |
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39 self.singleComboItems = [] # these are in addition to the above |
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40 self.comboItems.append((self.tr("Normal character"), "-c")) |
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41 self.comboItems.append((self.tr( |
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42 "Unicode character in hexadecimal notation"), "-h")) |
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43 self.comboItems.append((self.tr( |
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44 "ASCII/Latin1 character in octal notation"), "-o")) |
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45 self.singleComboItems.extend([ |
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46 ("---", "-i"), |
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47 (self.tr("Bell character (\\a)"), "\\a"), |
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48 (self.tr("Escape character (\\e)"), "\\e"), |
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49 (self.tr("Page break (\\f)"), "\\f"), |
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50 (self.tr("Line feed (\\n)"), "\\n"), |
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51 (self.tr("Carriage return (\\r)"), "\\r"), |
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52 (self.tr("Horizontal tabulator (\\t)"), "\\t"), |
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53 ("---", "-i"), |
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54 (self.tr("Character Category"), "-ccp"), |
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55 (self.tr("Special Character Category"), "-csp"), |
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56 (self.tr("Character Block"), "-cbp"), |
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57 (self.tr("POSIX Named Set"), "-psp"), |
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58 (self.tr("Not Character Category"), "-ccn"), |
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59 (self.tr("Not Character Block"), "-cbn"), |
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60 (self.tr("Not Special Character Category"), "-csn"), |
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61 (self.tr("Not POSIX Named Set"), "-psn"), |
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62 ]) |
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63 |
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64 self.charValidator = QRegularExpressionValidator( |
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65 QRegularExpression(".{0,1}"), self) |
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66 self.hexValidator = QRegularExpressionValidator( |
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67 QRegularExpression("[0-9a-fA-F]{0,4}"), self) |
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68 self.octValidator = QRegularExpressionValidator( |
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69 QRegularExpression("[0-3]?[0-7]{0,2}"), self) |
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70 |
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71 # generate dialog part for single characters |
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72 self.singlesBoxLayout = QVBoxLayout(self.singlesBox) |
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73 self.singlesBoxLayout.setObjectName("singlesBoxLayout") |
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74 self.singlesBoxLayout.setSpacing(6) |
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75 self.singlesBoxLayout.setContentsMargins(6, 6, 6, 6) |
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76 self.singlesBox.setLayout(self.singlesBoxLayout) |
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77 self.singlesView = QScrollArea(self.singlesBox) |
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78 self.singlesView.setObjectName("singlesView") |
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79 self.singlesBoxLayout.addWidget(self.singlesView) |
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80 |
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81 self.singlesItemsBox = QWidget(self) |
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82 self.singlesView.setWidget(self.singlesItemsBox) |
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83 self.singlesItemsBox.setObjectName("singlesItemsBox") |
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84 self.singlesItemsBox.setMinimumWidth(1000) |
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85 self.singlesItemsBoxLayout = QVBoxLayout(self.singlesItemsBox) |
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86 self.singlesItemsBoxLayout.setContentsMargins(6, 6, 6, 6) |
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87 self.singlesItemsBoxLayout.setSpacing(6) |
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88 self.singlesItemsBox.setLayout(self.singlesItemsBoxLayout) |
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89 self.singlesEntries = [] |
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90 self.__addSinglesLine() |
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91 |
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92 hlayout0 = QHBoxLayout() |
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93 hlayout0.setContentsMargins(0, 0, 0, 0) |
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94 hlayout0.setSpacing(6) |
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95 hlayout0.setObjectName("hlayout0") |
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96 self.moreSinglesButton = QPushButton( |
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97 self.tr("Additional Entries"), self.singlesBox) |
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98 self.moreSinglesButton.setObjectName("moreSinglesButton") |
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99 hlayout0.addWidget(self.moreSinglesButton) |
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100 hspacer0 = QSpacerItem( |
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101 30, 20, QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Minimum) |
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102 hlayout0.addItem(hspacer0) |
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103 self.singlesBoxLayout.addLayout(hlayout0) |
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104 self.moreSinglesButton.clicked.connect(self.__addSinglesLine) |
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105 |
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106 # generate dialog part for character ranges |
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107 self.rangesBoxLayout = QVBoxLayout(self.rangesBox) |
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108 self.rangesBoxLayout.setObjectName("rangesBoxLayout") |
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109 self.rangesBoxLayout.setSpacing(6) |
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110 self.rangesBoxLayout.setContentsMargins(6, 6, 6, 6) |
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111 self.rangesBox.setLayout(self.rangesBoxLayout) |
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112 self.rangesView = QScrollArea(self.rangesBox) |
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113 self.rangesView.setObjectName("rangesView") |
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114 self.rangesBoxLayout.addWidget(self.rangesView) |
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115 |
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116 self.rangesItemsBox = QWidget(self) |
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117 self.rangesView.setWidget(self.rangesItemsBox) |
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118 self.rangesItemsBox.setObjectName("rangesItemsBox") |
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119 self.rangesItemsBox.setMinimumWidth(1000) |
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120 self.rangesItemsBoxLayout = QVBoxLayout(self.rangesItemsBox) |
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121 self.rangesItemsBoxLayout.setContentsMargins(6, 6, 6, 6) |
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122 self.rangesItemsBoxLayout.setSpacing(6) |
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123 self.rangesItemsBox.setLayout(self.rangesItemsBoxLayout) |
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124 self.rangesEntries = [] |
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125 self.__addRangesLine() |
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126 |
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127 hlayout1 = QHBoxLayout() |
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128 hlayout1.setContentsMargins(0, 0, 0, 0) |
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129 hlayout1.setSpacing(6) |
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130 hlayout1.setObjectName("hlayout1") |
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131 self.moreRangesButton = QPushButton( |
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132 self.tr("Additional Entries"), self.rangesBox) |
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133 self.moreSinglesButton.setObjectName("moreRangesButton") |
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134 hlayout1.addWidget(self.moreRangesButton) |
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135 hspacer1 = QSpacerItem( |
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136 30, 20, QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Minimum) |
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137 hlayout1.addItem(hspacer1) |
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138 self.rangesBoxLayout.addLayout(hlayout1) |
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139 self.moreRangesButton.clicked.connect(self.__addRangesLine) |
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140 |
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141 def __initCharacterSelectors(self): |
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142 """ |
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143 Private method to initialize the W3C character selector entries. |
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144 """ |
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145 self.__characterCategories = ( |
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146 # display name code |
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147 (self.tr("Letter, Any"), "L"), |
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148 (self.tr("Letter, Lower case"), "Ll"), |
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149 (self.tr("Letter, Modifier"), "Lm"), |
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150 (self.tr("Letter, Other"), "Lo"), |
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151 (self.tr("Letter, Title case"), "Lt"), |
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152 (self.tr("Letter, Upper case"), "Lu"), |
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153 (self.tr("Letter, Lower, Upper or Title"), "L&"), |
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154 (self.tr("Mark, Any"), "M"), |
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155 (self.tr("Mark, Spacing"), "Mc"), |
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156 (self.tr("Mark, Enclosing"), "Me"), |
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157 (self.tr("Mark, Non-spacing"), "Mn"), |
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158 (self.tr("Number, Any"), "N"), |
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159 (self.tr("Number, Decimal"), "Nd"), |
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160 (self.tr("Number, Letter"), "Nl"), |
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161 (self.tr("Number, Other"), "No"), |
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162 (self.tr("Punctuation, Any"), "P"), |
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163 (self.tr("Punctuation, Connector"), "Pc"), |
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164 (self.tr("Punctuation, Dash"), "Pd"), |
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165 (self.tr("Punctuation, Close"), "Pe"), |
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166 (self.tr("Punctuation, Final"), "Pf"), |
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167 (self.tr("Punctuation, Initial"), "Pi"), |
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168 (self.tr("Punctuation, Other"), "Po"), |
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169 (self.tr("Punctuation, Open"), "Ps"), |
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170 (self.tr("Symbol, Any"), "S"), |
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171 (self.tr("Symbol, Currency"), "Sc"), |
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172 (self.tr("Symbol, Modifier"), "Sk"), |
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173 (self.tr("Symbol, Mathematical"), "Sm"), |
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174 (self.tr("Symbol, Other"), "So"), |
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175 (self.tr("Separator, Any"), "Z"), |
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176 (self.tr("Separator, Line"), "Zl"), |
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177 (self.tr("Separator, Paragraph"), "Zp"), |
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178 (self.tr("Separator, Space"), "Zs"), |
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179 (self.tr("Other, Any"), "C"), |
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180 (self.tr("Other, Control"), "Cc"), |
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181 (self.tr("Other, Format"), "Cf"), |
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182 (self.tr("Other, Unassigned"), "Cn"), |
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183 (self.tr("Other, Private Use"), "Co"), |
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184 (self.tr("Other, Surrogat"), "Cn"), |
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185 ) |
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186 |
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187 self.__specialCharacterCategories = ( |
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188 # display name code |
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189 (self.tr("Alphanumeric"), "Xan"), |
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190 (self.tr("POSIX Space"), "Xps"), |
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191 (self.tr("Perl Space"), "Xsp"), |
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192 (self.tr("Universal Character"), "Xuc"), |
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193 (self.tr("Perl Word"), "Xan"), |
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194 ) |
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195 |
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196 self.__characterBlocks = ( |
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197 # display name code |
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198 (self.tr("Arabic"), "Arabic"), |
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199 (self.tr("Armenian"), "Armenian"), |
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200 (self.tr("Avestan"), "Avestan"), |
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201 (self.tr("Balinese"), "Balinese"), |
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202 (self.tr("Bamum"), "Bamum"), |
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203 (self.tr("Batak"), "Batak"), |
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204 (self.tr("Bengali"), "Bengali"), |
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205 (self.tr("Bopomofo"), "Bopomofo"), |
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206 (self.tr("Brahmi"), "Brahmi"), |
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207 (self.tr("Braille"), "Braille"), |
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208 (self.tr("Buginese"), "Buginese"), |
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209 (self.tr("Buhid"), "Buhid"), |
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210 (self.tr("Canadian Aboriginal"), "Canadian_Aboriginal"), |
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211 (self.tr("Carian"), "Carian"), |
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212 (self.tr("Chakma"), "Chakma"), |
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213 (self.tr("Cham"), "Cham"), |
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214 (self.tr("Cherokee"), "Cherokee"), |
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215 (self.tr("Common"), "Common"), |
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216 (self.tr("Coptic"), "Coptic"), |
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217 (self.tr("Cuneiform"), "Cuneiform"), |
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218 (self.tr("Cypriot"), "Cypriot"), |
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219 (self.tr("Cyrillic"), "Cyrillic"), |
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220 (self.tr("Deseret"), "Deseret,"), |
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221 (self.tr("Devanagari"), "Devanagari"), |
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222 (self.tr("Egyptian Hieroglyphs"), "Egyptian_Hieroglyphs"), |
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223 (self.tr("Ethiopic"), "Ethiopic"), |
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224 (self.tr("Georgian"), "Georgian"), |
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225 (self.tr("Glagolitic"), "Glagolitic"), |
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226 (self.tr("Gothic"), "Gothic"), |
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227 (self.tr("Greek"), "Greek"), |
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228 (self.tr("Gujarati"), "Gujarati"), |
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229 (self.tr("Gurmukhi"), "Gurmukhi"), |
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230 (self.tr("Han"), "Han"), |
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231 (self.tr("Hangul"), "Hangul"), |
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232 (self.tr("Hanunoo"), "Hanunoo"), |
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233 (self.tr("Hebrew"), "Hebrew"), |
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234 (self.tr("Hiragana"), "Hiragana"), |
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235 (self.tr("Imperial Aramaic"), "Imperial_Aramaic"), |
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236 (self.tr("Inherited"), "Inherited"), |
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237 (self.tr("Inscriptional Pahlavi"), "Inscriptional_Pahlavi"), |
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238 (self.tr("Inscriptional Parthian"), "Inscriptional_Parthian"), |
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239 (self.tr("Javanese"), "Javanese"), |
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240 (self.tr("Kaithi"), "Kaithi"), |
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241 (self.tr("Kannada"), "Kannada"), |
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242 (self.tr("Katakana"), "Katakana"), |
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243 (self.tr("Kayah Li"), "Kayah_Li"), |
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244 (self.tr("Kharoshthi"), "Kharoshthi"), |
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245 (self.tr("Khmer"), "Khmer"), |
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246 (self.tr("Lao"), "Lao"), |
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247 (self.tr("Latin"), "Latin"), |
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248 (self.tr("Lepcha"), "Lepcha"), |
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249 (self.tr("Limbu"), "Limbu"), |
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250 (self.tr("Linear B"), "Linear_B"), |
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251 (self.tr("Lisu"), "Lisu"), |
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252 (self.tr("Lycian"), "Lycian"), |
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253 (self.tr("Lydian"), "Lydian"), |
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254 (self.tr("Malayalam"), "Malayalam"), |
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255 (self.tr("Mandaic"), "Mandaic"), |
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256 (self.tr("Meetei Mayek"), "Meetei_Mayek"), |
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257 (self.tr("Meroitic Cursive"), "Meroitic_Cursive"), |
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258 (self.tr("Meroitic Hieroglyphs"), "Meroitic_Hieroglyphs"), |
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259 (self.tr("Miao"), "Miao"), |
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260 (self.tr("Mongolian"), "Mongolian"), |
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261 (self.tr("Myanmar"), "Myanmar"), |
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262 (self.tr("New Tai Lue"), "New_Tai_Lue"), |
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263 (self.tr("N'Ko"), "Nko"), |
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264 (self.tr("Ogham"), "Ogham"), |
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265 (self.tr("Old Italic"), "Old_Italic"), |
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266 (self.tr("Old Persian"), "Old_Persian"), |
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267 (self.tr("Old South Arabian"), "Old_South_Arabian"), |
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268 (self.tr("Old Turkic"), "Old_Turkic,"), |
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269 (self.tr("Ol Chiki"), "Ol_Chiki"), |
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270 (self.tr("Oriya"), "Oriya"), |
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271 (self.tr("Osmanya"), "Osmanya"), |
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272 (self.tr("Phags-pa"), "Phags_Pa"), |
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273 (self.tr("Phoenician"), "Phoenician"), |
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274 (self.tr("Rejang"), "Rejang"), |
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275 (self.tr("Runic"), "Runic"), |
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276 (self.tr("Samaritan"), "Samaritan"), |
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277 (self.tr("Saurashtra"), "Saurashtra"), |
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278 (self.tr("Sharada"), "Sharada"), |
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279 (self.tr("Shavian"), "Shavian"), |
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280 (self.tr("Sinhala"), "Sinhala"), |
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281 (self.tr("Sora Sompeng"), "Sora_Sompeng"), |
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282 (self.tr("Sundanese"), "Sundanese"), |
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283 (self.tr("Syloti Nagri"), "Syloti_Nagri"), |
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284 (self.tr("Syriac"), "Syriac"), |
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285 (self.tr("Tagalog"), "Tagalog"), |
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286 (self.tr("Tagbanwa"), "Tagbanwa"), |
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287 (self.tr("Tai Le"), "Tai_Le"), |
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288 (self.tr("Tai Tham"), "Tai_Tham"), |
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289 (self.tr("Tai Viet"), "Tai_Viet"), |
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290 (self.tr("Takri"), "Takri"), |
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291 (self.tr("Tamil"), "Tamil"), |
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292 (self.tr("Telugu"), "Telugu"), |
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293 (self.tr("Thaana"), "Thaana"), |
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294 (self.tr("Thai"), "Thai"), |
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295 (self.tr("Tibetan"), "Tibetan"), |
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296 (self.tr("Tifinagh"), "Tifinagh"), |
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297 (self.tr("Ugaritic"), "Ugaritic"), |
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298 (self.tr("Vai"), "Vai"), |
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299 (self.tr("Yi"), "Yi"), |
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300 ) |
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301 |
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302 self.__posixNamedSets = ( |
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303 # display name code |
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304 (self.tr("Alphanumeric"), "alnum"), |
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305 (self.tr("Alphabetic"), "alpha"), |
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306 (self.tr("ASCII"), "ascii"), |
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307 (self.tr("Word Letter"), "word"), |
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308 (self.tr("Lower Case Letter"), "lower"), |
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309 (self.tr("Upper Case Letter"), "upper"), |
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310 (self.tr("Decimal Digit"), "digit"), |
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311 (self.tr("Hexadecimal Digit"), "xdigit"), |
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312 (self.tr("Space or Tab"), "blank"), |
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313 (self.tr("White Space"), "space"), |
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314 (self.tr("Printing (excl. space)"), "graph"), |
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315 (self.tr("Printing (incl. space)"), "print"), |
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316 (self.tr("Printing (excl. alphanumeric)"), "punct"), |
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317 (self.tr("Control Character"), "cntrl"), |
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318 ) |
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319 |
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320 def __populateCharTypeCombo(self, combo, isSingle): |
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321 """ |
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322 Private method to populate a given character type selection combo box. |
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323 |
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324 @param combo reference to the combo box to be populated (QComboBox) |
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325 @param isSingle flag indicating a singles combo (boolean) |
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326 """ |
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327 for txt, value in self.comboItems: |
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328 combo.addItem(txt, value) |
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329 if isSingle: |
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330 for txt, value in self.singleComboItems: |
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331 combo.addItem(txt, value) |
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332 |
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333 def __addSinglesLine(self): |
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334 """ |
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335 Private slot to add a line of entry widgets for single characters. |
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336 """ |
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337 hbox = QWidget(self.singlesItemsBox) |
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338 hboxLayout = QHBoxLayout(hbox) |
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339 hboxLayout.setContentsMargins(0, 0, 0, 0) |
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340 hboxLayout.setSpacing(6) |
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341 hbox.setLayout(hboxLayout) |
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342 cb1 = QComboBox(hbox) |
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343 cb1.setEditable(False) |
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344 self.__populateCharTypeCombo(cb1, True) |
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345 hboxLayout.addWidget(cb1) |
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346 le1 = QLineEdit(hbox) |
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347 le1.setValidator(self.charValidator) |
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348 hboxLayout.addWidget(le1) |
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349 cb1a = QComboBox(hbox) |
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350 cb1a.setEditable(False) |
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351 cb1a.setSizeAdjustPolicy(QComboBox.SizeAdjustPolicy.AdjustToContents) |
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352 hboxLayout.addWidget(cb1a) |
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353 cb1a.hide() |
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354 cb2 = QComboBox(hbox) |
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355 cb2.setEditable(False) |
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356 self.__populateCharTypeCombo(cb2, True) |
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357 hboxLayout.addWidget(cb2) |
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358 le2 = QLineEdit(hbox) |
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359 le2.setValidator(self.charValidator) |
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360 hboxLayout.addWidget(le2) |
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361 cb2a = QComboBox(hbox) |
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362 cb2a.setEditable(False) |
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363 cb2a.setSizeAdjustPolicy(QComboBox.SizeAdjustPolicy.AdjustToContents) |
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364 hboxLayout.addWidget(cb2a) |
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365 cb2a.hide() |
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366 self.singlesItemsBoxLayout.addWidget(hbox) |
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367 |
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368 cb1.activated[int].connect( |
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369 lambda i: self.__singlesCharTypeSelected(i, cb1)) |
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370 cb2.activated[int].connect( |
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371 lambda i: self.__singlesCharTypeSelected(i, cb2)) |
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372 hbox.show() |
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373 |
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374 self.singlesItemsBox.adjustSize() |
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375 |
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376 self.singlesEntries.append([cb1, le1, cb1a]) |
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377 self.singlesEntries.append([cb2, le2, cb2a]) |
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378 |
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379 def __addRangesLine(self): |
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380 """ |
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381 Private slot to add a line of entry widgets for character ranges. |
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382 """ |
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383 hbox = QWidget(self.rangesItemsBox) |
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384 hboxLayout = QHBoxLayout(hbox) |
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385 hboxLayout.setContentsMargins(0, 0, 0, 0) |
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386 hboxLayout.setSpacing(6) |
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387 hbox.setLayout(hboxLayout) |
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388 cb1 = QComboBox(hbox) |
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389 cb1.setEditable(False) |
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390 self.__populateCharTypeCombo(cb1, False) |
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391 hboxLayout.addWidget(cb1) |
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392 l1 = QLabel(self.tr("Between:"), hbox) |
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393 hboxLayout.addWidget(l1) |
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394 le1 = QLineEdit(hbox) |
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395 le1.setValidator(self.charValidator) |
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396 hboxLayout.addWidget(le1) |
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397 l2 = QLabel(self.tr("And:"), hbox) |
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398 hboxLayout.addWidget(l2) |
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399 le2 = QLineEdit(hbox) |
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400 le2.setValidator(self.charValidator) |
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401 hboxLayout.addWidget(le2) |
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402 self.rangesItemsBoxLayout.addWidget(hbox) |
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403 |
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404 cb1.activated[int].connect( |
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405 lambda i: self.__rangesCharTypeSelected(i, cb1)) |
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406 |
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407 hbox.show() |
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408 |
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409 self.rangesItemsBox.adjustSize() |
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410 |
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411 self.rangesEntries.append([cb1, le1, le2]) |
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412 |
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413 def __populateCharacterCombo(self, combo, formatIdentifier): |
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414 """ |
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415 Private method to populate a character selection combo. |
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416 |
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417 @param combo combo box to be populated (QComboBox) |
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418 @param formatIdentifier format identifier (one of "-ccp", "-ccn", |
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419 "-cbp", "-cbn", "-csp", "-csn", "-psp", "-psn") |
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420 """ |
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421 combo.clear() |
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422 |
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423 if formatIdentifier in ["-ccp", "-ccn"]: |
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424 items = self.__characterCategories |
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425 elif formatIdentifier in ["-csp", "-csn"]: |
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426 items = self.__specialCharacterCategories |
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427 elif formatIdentifier in ["-cbp", "-cbn"]: |
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428 items = self.__characterBlocks |
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429 elif formatIdentifier in ["-psp", "-psn"]: |
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430 items = self.__posixNamedSets |
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431 |
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432 comboLen = 0 |
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433 for txt, code in items: |
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434 combo.addItem(txt, code) |
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435 comboLen = max(comboLen, len(txt)) |
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436 combo.setMinimumContentsLength(comboLen) |
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437 |
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438 def __performSelectedAction(self, formatIdentifier, lineedit, combo): |
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439 """ |
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440 Private method performing some actions depending on the input. |
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441 |
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442 @param formatIdentifier format of the selected entry (string) |
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443 @param lineedit line edit widget to act on (QLineEdit) |
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444 @param combo combo box widget to act on (QComboBox) |
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445 """ |
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446 if formatIdentifier == "-i": |
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447 return |
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448 |
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449 if formatIdentifier in ["-c", "-h", "-o"]: |
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450 lineedit.show() |
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451 lineedit.setEnabled(True) |
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452 if combo is not None: |
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453 combo.hide() |
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454 if formatIdentifier == "-c": |
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455 lineedit.setValidator(self.charValidator) |
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456 elif formatIdentifier == "-h": |
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457 lineedit.setValidator(self.hexValidator) |
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458 elif formatIdentifier == "-o": |
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459 lineedit.setValidator(self.octValidator) |
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460 elif formatIdentifier in ["-ccp", "-ccn", "-cbp", "-cbn", "-csp", |
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461 "-csn", "-psp", "-psn"]: |
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462 lineedit.setEnabled(False) |
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463 lineedit.hide() |
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464 if combo is not None: |
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465 combo.show() |
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466 self.__populateCharacterCombo(combo, formatIdentifier) |
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467 else: |
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468 lineedit.setEnabled(False) |
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469 lineedit.hide() |
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470 if combo is not None: |
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471 combo.hide() |
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472 lineedit.clear() |
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473 |
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474 def __singlesCharTypeSelected(self, index, combo): |
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475 """ |
|
476 Private slot to handle the activated(int) signal of the single chars |
|
477 combo boxes. |
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478 |
|
479 @param index selected list index |
|
480 @type int |
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481 @param combo reference to the combo box |
|
482 @type QComboBox |
|
483 """ |
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484 for entriesList in self.singlesEntries: |
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485 if combo == entriesList[0]: |
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486 formatIdentifier = combo.itemData(index) |
|
487 self.__performSelectedAction( |
|
488 formatIdentifier, entriesList[1], entriesList[2]) |
|
489 break |
|
490 |
|
491 def __rangesCharTypeSelected(self, index, combo): |
|
492 """ |
|
493 Private slot to handle the activated(int) signal of the char ranges |
|
494 combo boxes. |
|
495 |
|
496 @param index selected list index |
|
497 @type int |
|
498 @param combo reference to the combo box |
|
499 @type QComboBox |
|
500 """ |
|
501 for entriesList in self.rangesEntries: |
|
502 if combo == entriesList[0]: |
|
503 formatIdentifier = combo.itemData(index) |
|
504 self.__performSelectedAction(formatIdentifier, entriesList[1], |
|
505 None) |
|
506 self.__performSelectedAction(formatIdentifier, entriesList[2], |
|
507 None) |
|
508 break |
|
509 |
|
510 def __formatCharacter(self, char, formatIdentifier): |
|
511 """ |
|
512 Private method to format the characters entered into the dialog. |
|
513 |
|
514 @param char character string entered into the dialog (string) |
|
515 @param formatIdentifier string giving a special format (-c, -h, -i or |
|
516 -o) or the already formatted character (string) |
|
517 @return formatted character string (string) |
|
518 """ |
|
519 if formatIdentifier == "-c": |
|
520 return char |
|
521 elif formatIdentifier == "-i": |
|
522 return "" |
|
523 |
|
524 if formatIdentifier == "-h": |
|
525 while len(char) < 2: |
|
526 char = "0" + char |
|
527 if len(char) > 2: |
|
528 return "\\x{{{0}}}".format(char.lower()) |
|
529 else: |
|
530 return "\\x{0}".format(char.lower()) |
|
531 elif formatIdentifier == "-o": |
|
532 while len(char) < 3: |
|
533 char = "0" + char |
|
534 if len(char) > 3: |
|
535 char = char[:3] |
|
536 return "\\{0}".format(char) |
|
537 elif formatIdentifier in ["-ccp", "-cbp", "-csp"]: |
|
538 return "\\p{{{0}}}".format(char) |
|
539 elif formatIdentifier in ["-ccn", "-cbn", "-csn"]: |
|
540 return "\\P{{{0}}}".format(char) |
|
541 elif formatIdentifier == "-psp": |
|
542 return "[:{0}:]".format(char) |
|
543 elif formatIdentifier == "-psn": |
|
544 return "[:^{0}:]".format(char) |
|
545 else: |
|
546 return formatIdentifier |
|
547 |
|
548 def getCharacters(self): |
|
549 """ |
|
550 Public method to return the character string assembled via the dialog. |
|
551 |
|
552 @return formatted string for character classes (string) |
|
553 """ |
|
554 regexp = "" |
|
555 |
|
556 # negative character range |
|
557 if self.negativeCheckBox.isChecked(): |
|
558 regexp += "^" |
|
559 |
|
560 # predefined character ranges |
|
561 if self.wordCharCheckBox.isChecked(): |
|
562 regexp += "\\w" |
|
563 if self.nonWordCharCheckBox.isChecked(): |
|
564 regexp += "\\W" |
|
565 if self.digitsCheckBox.isChecked(): |
|
566 regexp += "\\d" |
|
567 if self.nonDigitsCheckBox.isChecked(): |
|
568 regexp += "\\D" |
|
569 if self.newlineCheckBox.isChecked(): |
|
570 regexp += "\\R" |
|
571 if self.nonNewlineCheckBox.isChecked(): |
|
572 regexp += "\\N" |
|
573 if self.whitespaceCheckBox.isChecked(): |
|
574 regexp += "\\s" |
|
575 if self.nonWhitespaceCheckBox.isChecked(): |
|
576 regexp += "\\S" |
|
577 if self.horizontalWhitespaceCheckBox.isChecked(): |
|
578 regexp += "\\h" |
|
579 if self.nonHorizontalWhitespaceCheckBox.isChecked(): |
|
580 regexp += "\\H" |
|
581 if self.verticalWhitespaceCheckBox.isChecked(): |
|
582 regexp += "\\v" |
|
583 if self.nonVerticalWhitespaceCheckBox.isChecked(): |
|
584 regexp += "\\V" |
|
585 |
|
586 # single characters |
|
587 for entrieslist in self.singlesEntries: |
|
588 formatIdentifier = entrieslist[0].itemData( |
|
589 entrieslist[0].currentIndex()) |
|
590 char = ( |
|
591 entrieslist[2].itemData(entrieslist[2].currentIndex()) |
|
592 if formatIdentifier in ["-ccp", "-ccn", "-cbp", "-cbn", "-csp", |
|
593 "-csn", "-psp", "-psn"] else |
|
594 entrieslist[1].text() |
|
595 ) |
|
596 regexp += self.__formatCharacter(char, formatIdentifier) |
|
597 |
|
598 # character ranges |
|
599 for entrieslist in self.rangesEntries: |
|
600 if ( |
|
601 not entrieslist[1].text() or |
|
602 not entrieslist[2].text() |
|
603 ): |
|
604 continue |
|
605 formatIdentifier = entrieslist[0].itemData( |
|
606 entrieslist[0].currentIndex()) |
|
607 char1 = entrieslist[1].text() |
|
608 char2 = entrieslist[2].text() |
|
609 regexp += "{0}-{1}".format( |
|
610 self.__formatCharacter(char1, formatIdentifier), |
|
611 self.__formatCharacter(char2, formatIdentifier)) |
|
612 |
|
613 if regexp: |
|
614 if ( |
|
615 (regexp.startswith("\\") and |
|
616 regexp.count("\\") == 1 and |
|
617 "-" not in regexp) or |
|
618 len(regexp) == 1 |
|
619 ): |
|
620 return regexp |
|
621 else: |
|
622 return "[{0}]".format(regexp) |
|
623 else: |
|
624 return "" |