1 | // ICeCoffEE - Internet Config Cocoa Editor Extension
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2 | // Nicholas Riley <mailto:icecoffee@sabi.net>
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3 |
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4 | /* To do/think about:
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5 |
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6 | - TXNClick - MLTE has its own support in Jaguar and later, but it's lousy
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7 |
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8 | Done:
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9 |
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10 | - TEClick - TextEdit
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11 | - flash on success (like BBEdit)
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12 | - display dialog on failure (decode OSStatus)
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13 | - adjust URL blinking
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14 | - app exclusion list - make a pref pane (see AquaShade config)
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15 | - _LSCopyApplicationURLsForItemURL - list apps
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16 | - Menu on command-option-click: add bookmark, open with other helper, pass to configurable service, ...?
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17 |
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18 | */
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19 |
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20 | #import "ICeCoffEE.h"
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21 | #import <Carbon/Carbon.h>
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22 | #include <unistd.h>
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23 | #import "ICeCoffEESuper.h"
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24 | #import "ICeCoffEEActionMenu.h"
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25 |
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26 | iccfPrefRec ICCF_prefs;
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27 |
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28 | NSString *ICCF_ErrString(OSStatus err, NSString *context) {
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29 | if (err == noErr || err == userCanceledErr) return nil;
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30 |
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31 | NSString *errNum = [NSString stringWithFormat: @"%ld", err];
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32 | NSString *errDesc = ICCF_LocalizedString(errNum);
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33 |
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34 | if (errDesc == NULL || errDesc == errNum)
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35 | errDesc = [NSString stringWithFormat: ICCF_LocalizedString(@"An unknown error occurred in %@"), context];
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36 |
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37 | return [NSString stringWithFormat: @"%@ (%d)", errDesc, (int)err];
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38 | }
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39 |
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40 | CFStringRef ICCF_CopyErrString(OSStatus err, CFStringRef context) {
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41 | if (err == noErr || err == userCanceledErr) return NULL;
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42 |
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43 | CFStringRef errNum = CFStringCreateWithFormat(NULL, NULL, CFSTR("%ld"), err);
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44 | CFStringRef errDesc = ICCF_CopyLocalizedString(errNum);
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45 |
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46 | if (errDesc == NULL || errDesc == errNum) {
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47 | CFStringRef errDescFormat = ICCF_CopyLocalizedString(CFSTR("An unknown error occurred in %@"));
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48 | if (errDesc != NULL) CFRelease(errDesc);
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49 | errDesc = CFStringCreateWithFormat(NULL, NULL, errDescFormat, context);
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50 | }
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51 |
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52 | CFStringRef errStr = CFStringCreateWithFormat(NULL, NULL, CFSTR("%@ (%d)"), errDesc, (int)err);
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53 |
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54 | if (errNum != NULL) CFRelease(errNum);
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55 | if (errDesc != NULL) CFRelease(errDesc);
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56 | return errStr;
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57 | }
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58 |
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59 | BOOL ICCF_EventIsCommandMouseDown(NSEvent *e) {
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60 | unsigned int modifierFlags = [e modifierFlags];
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61 | return ([e type] == NSLeftMouseDown &&
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62 | (modifierFlags == NSCommandKeyMask || modifierFlags == (NSCommandKeyMask | NSAlternateKeyMask))
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63 | && [e clickCount] == 1);
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64 | }
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65 |
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66 | BOOL ICCF_OptionKeyIsDown() {
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67 | unsigned int modifierFlags = [[NSApp currentEvent] modifierFlags];
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68 | return (modifierFlags & NSAlternateKeyMask) != 0;
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69 | }
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70 |
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71 | void ICCF_CheckRange(NSRange range) {
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72 | NSCAssert(range.length > 0, ICCF_LocalizedString(@"No URL is selected"));
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73 | NSCAssert1(range.length <= ICCF_MAX_URL_LEN, ICCF_LocalizedString(@"The potential URL is longer than %lu characters"), ICCF_MAX_URL_LEN);
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74 | }
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75 |
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76 | void ICCF_Delimiters(NSCharacterSet **leftPtr, NSCharacterSet **rightPtr) {
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77 | static NSCharacterSet *urlLeftDelimiters = nil, *urlRightDelimiters = nil;
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78 |
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79 | if (urlLeftDelimiters == nil || urlRightDelimiters == nil) {
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80 | NSMutableCharacterSet *set = [[NSCharacterSet whitespaceAndNewlineCharacterSet] mutableCopy];
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81 | NSMutableCharacterSet *tmpSet;
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82 | [urlLeftDelimiters release];
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83 | [urlRightDelimiters release];
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84 |
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85 | [set autorelease];
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86 | [set formUnionWithCharacterSet: [NSCharacterSet punctuationCharacterSet]];
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87 | [set removeCharactersInString: @";/?:@&=+$,-_.!~*'()%#"]; // RFC 2396 ¤2.2, 2.3, 2.4, plus #
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88 |
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89 | tmpSet = [[set mutableCopy] autorelease];
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90 | [tmpSet formUnionWithCharacterSet: [NSCharacterSet characterSetWithCharactersInString: @"><("]];
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91 | urlLeftDelimiters = [tmpSet copy]; // make immutable again - for efficiency
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92 |
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93 | tmpSet = [[set mutableCopy] autorelease];
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94 | [tmpSet formUnionWithCharacterSet: [NSCharacterSet characterSetWithCharactersInString: @"><)"]];
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95 | urlRightDelimiters = [tmpSet copy]; // make immutable again - for efficiency
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96 | }
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97 |
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98 | *leftPtr = urlLeftDelimiters; *rightPtr = urlRightDelimiters;
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99 | }
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100 |
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101 | static ICInstance ICCF_icInst = NULL;
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102 |
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103 | void ICCF_StartIC() {
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104 | OSStatus err;
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105 |
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106 | if (ICCF_icInst != NULL) {
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107 | ICLog(@"ICCF_StartIC: Internet Config is already running!");
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108 | ICCF_StopIC();
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109 | }
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110 | err = ICStart(&ICCF_icInst, kICCFCreator);
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111 | NSCAssert1(err == noErr, ICCF_LocalizedString(@"Unable to start Internet Config (error %d)"), err);
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112 | }
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113 |
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114 | void ICCF_StopIC() {
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115 | if (ICCF_icInst == NULL) {
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116 | ICLog(@"ICCF_StopIC: Internet Config is not running!");
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117 | } else {
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118 | ICStop(ICCF_icInst);
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119 | ICCF_icInst = NULL;
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120 | }
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121 | }
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122 |
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123 | ICInstance ICCF_GetInst() {
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124 | NSCAssert(ICCF_icInst != NULL, @"Internal error: Called ICCF_GetInst without ICCF_StartIC");
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125 | return ICCF_icInst;
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126 | }
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127 |
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128 | ConstStringPtr ICCF_GetHint(ICInstance inst, const char *urlData, Size length, long *selStart, long *selEnd, Boolean *needsSlashes) {
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129 | Handle h = NewHandle(0);
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130 | OSStatus err;
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131 |
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132 | if (h == NULL) return NULL;
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133 |
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134 | // parse the URL providing a bogus protocol, to get rid of escaped forms
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135 | err = ICParseURL(inst, "\p*", urlData, length, selStart, selEnd, h);
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136 | if (err != noErr) return NULL;
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137 |
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138 | // scan through the parsed URL looking for characters not found in email addresses
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139 | Size hSize = GetHandleSize(h);
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140 | if (hSize == 0) return NULL;
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141 |
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142 | const char *urlParsed = *h;
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143 | long i = 0;
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144 | Boolean sawAt = false;
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145 | if (hSize >= 2 && urlParsed[0] == '*' && urlParsed[1] == ':') {
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146 | // this is an IC-inserted protocol; skip over it
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147 | i = 2;
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148 | *needsSlashes = (hSize < i + 2 || urlParsed[i] != '/' || urlParsed[i + 1] != '/');
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149 | } else *needsSlashes = false;
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150 | for ( ; i < hSize ; i++) {
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151 | char c = urlParsed[i];
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152 | if (c == '@') {
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153 | sawAt = true;
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154 | } else if (!((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
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155 | (c == '+' || c == '-' || c == '_' || c == '!' || c == '.'))) {
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156 | DisposeHandle(h);
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157 | return "\phttp";
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158 | }
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159 | }
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160 | DisposeHandle(h);
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161 | if (sawAt) {
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162 | *needsSlashes = false;
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163 | return "\pmailto";
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164 | }
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165 | return "\phttp";
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166 | }
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167 |
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168 | static const char *kICSlashes = "//";
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169 |
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170 | void ICCF_AddSlashes(Handle h, ConstStringPtr hint) {
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171 | Size sizeBefore = GetHandleSize(h);
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172 | unsigned char hintLength = StrLength(hint);
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173 | char *copy = (char *)malloc(sizeBefore);
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174 | memcpy(copy, *h, sizeBefore);
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175 | ICLog(@"ICCF_AddSlashes before: |%s|\n", *h);
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176 | ReallocateHandle(h, sizeBefore + 2);
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177 |
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178 | // if *h begins with '<hint>:', then copy the slashes after it
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179 | if (sizeBefore > hintLength + 1 && strncmp(&hint[1], copy, hintLength) == 0 && copy[hintLength] == ':') {
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180 | memcpy(*h, copy, hintLength + 1);
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181 | memcpy(*h + hintLength + 1, kICSlashes, 2);
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182 | memcpy(*h + hintLength + 3, ©[hintLength + 1], sizeBefore - hintLength - 1);
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183 | } else {
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184 | memcpy(*h, kICSlashes, 2);
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185 | memcpy(*h + 2, copy, sizeBefore);
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186 | }
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187 |
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188 | free(copy);
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189 | ICLog(@"ICCF_AddSlashes after: |%s|\n", *h);
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190 | }
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191 |
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192 | void ICCF_ParseURL(NSString *string, NSRange *range) {
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193 | OSStatus err;
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194 | Handle h;
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195 | long selStart, selEnd;
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196 | char *urlData = NULL;
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197 |
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198 | NSCAssert(range->length == [string length], @"Internal error: URL string is wrong length");
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199 |
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200 | NS_DURING
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201 | if ([[NSCharacterSet characterSetWithCharactersInString: @";,."] characterIsMember:
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202 | [string characterAtIndex: range->length - 1]]) {
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203 | range->length--;
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204 | }
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205 |
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206 | string = [string substringToIndex: range->length];
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207 |
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208 | ICLog(@"Parsing URL |%@|", string);
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209 |
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210 | urlData = (char *)malloc( (range->length + 1) * sizeof(char));
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211 | NSCAssert(urlData != NULL, @"Internal error: canÕt allocate memory for URL string");
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212 |
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213 | selStart = 0; selEnd = range->length;
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214 |
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215 | [string getCString: urlData];
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216 |
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217 | h = NewHandle(0);
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218 | NSCAssert(h != NULL, @"Internal error: canÕt allocate URL handle");
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219 |
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220 | err = ICParseURL(ICCF_GetInst(), "\pmailto", urlData, range->length, &selStart, &selEnd, h);
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221 | DisposeHandle(h);
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222 |
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223 | ICCF_OSErrCAssert(err, @"ICParseURL");
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224 |
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225 | range->length = selEnd - selStart;
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226 | range->location += selStart;
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227 | NS_HANDLER
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228 | free(urlData);
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229 | [localException raise];
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230 | NS_ENDHANDLER
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231 |
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232 | free(urlData);
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233 | }
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234 |
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235 | void ICCF_LaunchURL(NSString *string, BOOL chooseApp) {
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236 | OSStatus err;
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237 | long selStart, selEnd;
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238 | unsigned len = [string length];
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239 |
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240 | Handle h = NULL;
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241 |
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242 | NS_DURING
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243 | h = NewHandle(len);
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244 | if (h == NULL)
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245 | ICCF_OSErrCAssert(MemError(), @"NewHandle");
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246 |
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247 | if (CFStringGetBytes((CFStringRef)string, CFRangeMake(0, len), kCFStringEncodingASCII, '\0', false, *h, len, NULL) != len)
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248 | ICCF_OSErrCAssert(kTECNoConversionPathErr, @"CFStringGetBytes");
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249 |
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250 | selStart = 0; selEnd = len;
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251 |
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252 | Boolean needsSlashes;
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253 | ConstStringPtr hint = ICCF_GetHint(ICCF_GetInst(), *h, len, &selStart, &selEnd, &needsSlashes);
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254 | NSCAssert(hint != NULL, @"Internal error: canÕt get protocol hint for URL");
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255 |
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256 | if (needsSlashes) {
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257 | ICCF_AddSlashes(h, hint);
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258 | len = selEnd = GetHandleSize(h);
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259 | }
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260 |
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261 | if (chooseApp) {
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262 | err = ICCF_DoURLActionMenu(ICCF_GetInst(), hint, *h, selStart, selEnd);
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263 | ICCF_OSErrCAssert(err, @"ICCF_DoURLActionMenu");
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264 | } else {
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265 | err = ICLaunchURL(ICCF_GetInst(), hint, *h, len, &selStart, &selEnd);
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266 | ICCF_OSErrCAssert(err, @"ICLaunchURL");
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267 | }
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268 |
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269 | NS_HANDLER
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270 | DisposeHandle(h);
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271 | [localException raise];
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272 | NS_ENDHANDLER
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273 |
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274 | DisposeHandle(h);
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275 | }
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276 |
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277 | // XXX not sure what to do if there's already a selection; BBEdit and MLTE extend it, Tex-Edit Plus doesn't.
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278 | // RFC-ordained max URL length, just to avoid passing IC multi-megabyte documents
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279 | #if ICCF_DEBUG
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280 | const long ICCF_MAX_URL_LEN = 1024; // XXX change later
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281 | #else
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282 | const long ICCF_MAX_URL_LEN = 1024;
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283 | #endif
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284 |
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285 | Boolean ICCF_enabled = true;
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286 |
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287 | BOOL ICCF_HandleException(NSException *e) {
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288 | if ([e reason] == nil || [[e reason] length] == 0)
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289 | return NO;
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290 |
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291 | if (ICCF_prefs.errorSoundEnabled) NSBeep();
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292 | if (!ICCF_prefs.errorDialogEnabled) return YES;
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293 |
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294 | int result = NSRunAlertPanel(ICCF_LocalizedString(@"AlertTitle"), ICCF_LocalizedString(@"AlertMessage%@"), nil, nil, ICCF_LocalizedString(@"AlertDisableButton"), e);
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295 | if (result != NSAlertDefaultReturn) {
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296 | result = NSRunAlertPanel(ICCF_LocalizedString(@"DisableAlertTitle"), ICCF_LocalizedString(@"DisableAlertMessage"), ICCF_LocalizedString(@"DisableAlertDisableButton"), ICCF_LocalizedString(@"DisableAlertDontDisableButton"), nil);
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297 | if (result == NSAlertDefaultReturn)
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298 | ICCF_enabled = NO;
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299 | }
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300 | return YES;
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301 | }
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302 |
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303 | void ICCF_LaunchURLFromTextView(NSTextView *self) {
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304 | NSCharacterSet *urlLeftDelimiters = nil, *urlRightDelimiters = nil;
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305 | NSRange range = [self selectedRange], delimiterRange;
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306 | NSColor *insertionPointColor = [self insertionPointColor];
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307 | NSString *s = [[self textStorage] string]; // according to the class documentation, sending 'string' is guaranteed to be O(1)
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308 | unsigned extraLen;
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309 | int i;
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310 |
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311 | NS_DURING
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312 |
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313 | NSCAssert(range.location != NSNotFound, ICCF_LocalizedString(@"There is no insertion point or selection in the text field where you clicked"));
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314 | NSCAssert(s != nil, ICCF_LocalizedString(@"Sorry, ICeCoffEE is unable to locate the insertion point or selection"));
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315 |
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316 | ICCF_StartIC();
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317 |
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318 | NSCAssert([s length] != 0, ICCF_LocalizedString(@"No text was found"));
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319 |
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320 | if (range.location == [s length]) range.location--; // work around bug in selectionRangeForProposedRange (r. 2845418)
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321 |
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322 | range = [self selectionRangeForProposedRange: range granularity: NSSelectByWord];
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323 |
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324 | // However, NSSelectByWord does not capture even the approximate boundaries of a URL
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325 | // (text to a space/line ending character); it'll stop at a period in the middle of a hostname.
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326 | // So, we expand it as follows:
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327 |
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328 | ICCF_CheckRange(range);
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329 |
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330 | ICCF_Delimiters(&urlLeftDelimiters, &urlRightDelimiters);
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331 |
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332 | // XXX instead of 0, make this stop at the max URL length to prevent protracted searches
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333 | // add 1 to range to trap delimiters that are on the edge of the selection (i.e., <...)
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334 | delimiterRange = [s rangeOfCharacterFromSet: urlLeftDelimiters
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335 | options: NSLiteralSearch | NSBackwardsSearch
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336 | range: NSMakeRange(0, range.location + (range.location != [s length]))];
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337 | if (delimiterRange.location == NSNotFound) {
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338 | // extend to beginning of string
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339 | range.length += range.location;
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340 | range.location = 0;
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341 | } else {
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342 | NSCAssert(delimiterRange.length == 1, @"Internal error: delimiter matched range is not of length 1");
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343 | range.length += range.location - delimiterRange.location - 1;
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344 | range.location = delimiterRange.location + 1;
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345 | }
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346 |
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347 | ICCF_CheckRange(range);
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348 |
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349 | // XXX instead of length of string, make this stop at the max URL length to prevent protracted searches
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350 | // add 1 to range to trap delimiters that are on the edge of the selection (i.e., ...>)
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351 | extraLen = [s length] - range.location - range.length;
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352 | delimiterRange = [s rangeOfCharacterFromSet: urlRightDelimiters
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353 | options: NSLiteralSearch
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354 | range: NSMakeRange(range.location + range.length - (range.length != 0),
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355 | extraLen + (range.length != 0))];
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356 | if (delimiterRange.location == NSNotFound) {
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357 | // extend to end of string
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358 | range.length += extraLen;
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359 | } else {
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360 | NSCAssert(delimiterRange.length == 1, @"Internal error: delimiter matched range is not of length 1");
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361 | range.length += delimiterRange.location - range.location - range.length;
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362 | }
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363 |
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364 | ICCF_CheckRange(range);
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365 |
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366 | ICCF_ParseURL([s substringWithRange: range], &range);
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367 |
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368 | [self setSelectedRange: range affinity: NSSelectionAffinityDownstream stillSelecting: NO];
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369 | [self display];
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370 |
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371 | ICCF_LaunchURL([s substringWithRange: range], ICCF_OptionKeyIsDown());
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372 |
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373 | if (ICCF_prefs.textBlinkEnabled) {
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374 | for (i = 0 ; i < ICCF_prefs.textBlinkCount ; i++) {
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375 | NSRange emptyRange = {range.location, 0};
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376 | [self setSelectedRange: emptyRange affinity: NSSelectionAffinityDownstream stillSelecting: YES];
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377 | [self display];
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378 | usleep(kICBlinkDelayUsecs);
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379 | [self setInsertionPointColor: [self backgroundColor]];
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380 | [self setSelectedRange: range affinity: NSSelectionAffinityDownstream stillSelecting: YES];
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381 | [self display];
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382 | usleep(kICBlinkDelayUsecs);
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383 | }
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384 | }
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385 |
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386 | NS_HANDLER
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387 | ICCF_HandleException(localException);
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388 | NS_ENDHANDLER
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389 |
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390 | ICCF_StopIC();
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391 | [self setInsertionPointColor: insertionPointColor];
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392 | }
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393 |
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394 | NSString * const ICCF_SERVICES_ITEM = @"ICeCoffEE Services Item";
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395 |
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396 | NSMenuItem *ICCF_ServicesMenuItem() {
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397 | NSMenuItem *servicesItem;
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398 | NSMenu *servicesMenu;
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399 | // XXX better to just use [[NSApp servicesMenu] title]? That grabs the title from the existing Services submenu.
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400 | NSString *servicesTitle = [[NSBundle bundleWithIdentifier: @"com.apple.AppKit"] localizedStringForKey: @"Services" value: nil table: @"ServicesMenu"];
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401 | if (servicesTitle == nil) {
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402 | ICLog(@"CanÕt get localized text for ÒServicesÓ in AppKit.framework");
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403 | servicesTitle = @"Services";
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404 | }
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405 | servicesMenu = [[NSMenu alloc] initWithTitle: servicesTitle];
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406 | servicesItem = [[NSMenuItem alloc] initWithTitle: servicesTitle action:nil keyEquivalent:@""];
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407 | [[NSApplication sharedApplication] setServicesMenu: servicesMenu];
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408 | [servicesItem setSubmenu: servicesMenu];
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409 | [servicesItem setRepresentedObject: ICCF_SERVICES_ITEM];
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410 | [servicesMenu release];
|
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411 | return servicesItem;
|
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412 | }
|
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413 |
|
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414 | void ICCF_AddRemoveServicesMenu() {
|
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415 | // needed because:
|
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416 | // (a) we get called before the runloop has properly started and will crash if we don't delay on app startup
|
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417 | // (b) the APE message handler calls us from another thread and nothing happens if we try to add a menu on it
|
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418 | [ICeCoffEE performSelectorOnMainThread: @selector(IC_addRemoveServicesMenu) withObject: nil waitUntilDone: NO];
|
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419 | }
|
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420 |
|
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421 | NSMenu *ICCF_MenuForEvent(NSTextView *self, NSMenu *contextMenu, NSEvent *e) {
|
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422 | if (contextMenu != nil && [e type] == NSRightMouseDown || ([e type] == NSLeftMouseDown && [e modifierFlags] & NSControlKeyMask)) {
|
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423 | int servicesItemIndex = [contextMenu indexOfItemWithRepresentedObject: ICCF_SERVICES_ITEM];
|
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424 | if (servicesItemIndex == -1 && ICCF_prefs.servicesInContextualMenu) {
|
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425 | [contextMenu addItem: [NSMenuItem separatorItem]];
|
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426 | [contextMenu addItem: ICCF_ServicesMenuItem()];
|
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427 | } else if (servicesItemIndex != -1 && !ICCF_prefs.servicesInContextualMenu) {
|
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428 | [contextMenu removeItemAtIndex: servicesItemIndex];
|
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429 | [contextMenu removeItemAtIndex: servicesItemIndex - 1];
|
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430 | }
|
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431 | }
|
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432 | return contextMenu;
|
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433 | }
|
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434 |
|
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435 | @implementation ICeCoffEE
|
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436 |
|
---|
437 | + (void)IC_addRemoveServicesMenu;
|
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438 | {
|
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439 | NSMenu *mainMenu = [[NSApplication sharedApplication] mainMenu];
|
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440 | static NSMenuItem *servicesItem = nil;
|
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441 |
|
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442 | if (servicesItem == nil && ICCF_prefs.servicesInMenuBar) {
|
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443 | servicesItem = [ICCF_ServicesMenuItem() retain];
|
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444 |
|
---|
445 | int insertLoc = [mainMenu indexOfItemWithSubmenu: [NSApp windowsMenu]];
|
---|
446 | if (insertLoc == -1)
|
---|
447 | insertLoc = [mainMenu numberOfItems];
|
---|
448 |
|
---|
449 | [mainMenu insertItem: servicesItem atIndex: insertLoc];
|
---|
450 | } else if (servicesItem != nil && !ICCF_prefs.servicesInMenuBar) {
|
---|
451 | [mainMenu removeItem: servicesItem];
|
---|
452 | [servicesItem release];
|
---|
453 | servicesItem = nil;
|
---|
454 | }
|
---|
455 | }
|
---|
456 |
|
---|
457 | // XXX localization?
|
---|
458 | - (NSMenu *)menuForEvent:(NSEvent *)e;
|
---|
459 | {
|
---|
460 | NSMenu *myMenu = [super menuForEvent: e];
|
---|
461 | return ICCF_MenuForEvent(self, myMenu, e);
|
---|
462 | }
|
---|
463 |
|
---|
464 | - (void)mouseDown:(NSEvent *)e;
|
---|
465 | {
|
---|
466 | #if ICCF_DEBUG
|
---|
467 | static BOOL down = NO;
|
---|
468 | if (down) {
|
---|
469 | ICLog(@"recursive invocation!");
|
---|
470 | return;
|
---|
471 | }
|
---|
472 | down = YES;
|
---|
473 | ICLog(@"ICeCoffEE down: %@", e);
|
---|
474 | #endif
|
---|
475 | // we don't actually get a mouseUp event, just wait for mouseDown to return
|
---|
476 | [super mouseDown: e];
|
---|
477 | if (!ICCF_enabled || !ICCF_prefs.commandClickEnabled) {
|
---|
478 | #if ICCF_DEBUG
|
---|
479 | down = NO;
|
---|
480 | #endif
|
---|
481 | return;
|
---|
482 | }
|
---|
483 | // don't want command-shift-click, etc. to trigger
|
---|
484 | if (ICCF_EventIsCommandMouseDown(e)) {
|
---|
485 | NSEvent *upEvent = [[self window] currentEvent];
|
---|
486 | NSPoint downPt = [e locationInWindow];
|
---|
487 | NSPoint upPt = [upEvent locationInWindow];
|
---|
488 | ICLog(@"next: %@", upEvent);
|
---|
489 | NSAssert([upEvent type] == NSLeftMouseUp, @"NSTextView mouseDown: did not return with current event as mouse up!");
|
---|
490 | if (abs(downPt.x - upPt.x) <= kICHysteresisPixels && abs(downPt.y - upPt.y) <= kICHysteresisPixels) {
|
---|
491 | ICCF_LaunchURLFromTextView(self);
|
---|
492 | }
|
---|
493 | }
|
---|
494 | #if ICCF_DEBUG
|
---|
495 | down = NO;
|
---|
496 | #endif
|
---|
497 | }
|
---|
498 |
|
---|
499 | @end
|
---|