dav/tags.c

Sun, 07 Jan 2018 12:59:21 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 07 Jan 2018 12:59:21 +0100
changeset 363
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parent 361
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child 373
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permissions
-rw-r--r--

adds support for macos file tags

361
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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2018 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31
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32 #include <ucx/string.h>
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33 #include <ucx/utils.h>
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34
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35 #include "libxattr.h"
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36
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37 #include "tags.h"
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38
363
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39 #ifdef __APPLE__
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40 #include <CoreFoundation/CoreFoundation.h>
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41 #endif
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42
361
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43 UcxList* parse_text_taglist(const char *buf, size_t length) {
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44 UcxList *tags = NULL;
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45
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46 int line_start = 0;
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47 for(int i=0;i<length;i++) {
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48 if(buf[i] == '\n' || i == length-1) {
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49 sstr_t line = sstrtrim(sstrn((char*)buf + line_start, i - line_start));
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50 if(line.length > 0) {
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51 DavTag *tag = calloc(1, sizeof(DavTag));
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52 tag->name = sstrdup(line).ptr;
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53 tag->color = NULL;
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54 tags = ucx_list_append(tags, tag);
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55 }
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56 line_start = i+1;
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57 }
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58 }
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59
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60 return tags;
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61 }
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62
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63 UcxBuffer* create_text_taglist(UcxList *tags) {
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64 if(!tags) {
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65 return NULL;
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66 }
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67
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68 UcxBuffer *buf = ucx_buffer_new(NULL, 128, UCX_BUFFER_AUTOEXTEND);
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69 UCX_FOREACH(elm, tags) {
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70 DavTag *tag = elm->data;
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71 ucx_bprintf(buf, "%s\n", tag->name);
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72 }
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73 return buf;
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74 }
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75
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76
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77 UcxList* parse_csv_taglist(const char *buf, size_t length) {
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78 UcxList *taglist = NULL;
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79
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80 sstr_t str = sstrn((char*)buf, length);
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81 ssize_t count = 0;
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82 sstr_t *tags = sstrsplit(str, S(","), &count);
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83 for(int i=0;i<count;i++) {
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84 DavTag *tag = malloc(sizeof(DavTag));
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85 tag->name = sstrdup(sstrtrim(tags[i])).ptr;
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86 tag->color = NULL;
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87 taglist = ucx_list_append(taglist, tag);
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88 free(tags[i].ptr);
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89 }
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90 if(tags) {
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91 free(tags);
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92 }
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93 return taglist;
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94 }
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95
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96 UcxBuffer* create_csv_taglist(UcxList *tags) {
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97 UcxBuffer *buf = ucx_buffer_new(NULL, 128, UCX_BUFFER_AUTOEXTEND);
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98 int insertsep = 0;
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99 UCX_FOREACH(elm, tags) {
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100 DavTag *tag = elm->data;
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101 if(insertsep) {
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102 ucx_buffer_putc(buf, ',');
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103 }
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104 ucx_buffer_puts(buf, tag->name);
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105 insertsep = 1;
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106 }
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107 return buf;
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108 }
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109
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110
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111 static DavTag* parse_xml_dav_tag(DavXmlNode *node) {
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112 char *name = NULL;
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113
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114 DavXmlNode *c = node->children;
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115 while(c) {
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116 if(c->type == DAV_XML_ELEMENT) {
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117 char *value = dav_xml_getstring(c->children);
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118 if(value) {
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119 if(!strcmp(c->namespace, DAV_NS)) {
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120 if(!strcmp(c->name, "name")) {
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121 char *value = dav_xml_getstring(c->children);
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122 if(value) {
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123 name = value;
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124 }
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125 }
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126 // TODO: color, ...
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127 }
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128 }
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129 }
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130 c = c->next;
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131 }
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132
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133 DavTag *tag = NULL;
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134 if(name) {
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135 tag = malloc(sizeof(DavTag));
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136 tag->name = strdup(name);
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137 tag->color = NULL;
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138 }
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139 return tag;
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140 }
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141
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142 UcxList* parse_dav_xml_taglist(DavXmlNode *taglistnode) {
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143 UcxList *tags = NULL;
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144
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145 DavXmlNode *node = taglistnode;
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146 while(node) {
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147 if(node->type == DAV_XML_ELEMENT) {
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148 if(!strcmp(node->namespace, DAV_NS) && !strcmp(node->name, "tag")) {
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149 DavTag *tag = parse_xml_dav_tag(node);
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150 if(tag) {
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151 tags = ucx_list_append(tags, tag);
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152 }
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parents:
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153 }
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154 }
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155 node = node->next;
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156 }
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157
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158 return tags;
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159 }
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160
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161 DavXmlNode* create_xml_taglist(UcxList *tags) {
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162 DavXmlNode *tag1 = NULL;
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163 DavXmlNode *lasttag = NULL;
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164 UCX_FOREACH(elm, tags) {
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165 DavTag *tag = elm->data;
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166
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167 DavXmlNode *tagelm = dav_xml_createnode(DAV_NS, "tag");
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168 DavXmlNode *tagname = dav_xml_createnode_with_text(DAV_NS, "name", tag->name);
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169 // TODO: color
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170 tagelm->children = tagname;
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171
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172 if(lasttag) {
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173 lasttag->next = tagelm;
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174 tagelm->prev = lasttag;
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175 } else {
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176 tag1 = tagelm;
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177 }
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178 lasttag = tagelm;
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179 }
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180 return tag1;
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181 }
363
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182
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183
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184 #ifdef __APPLE__
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185 static DavTag* tagstr2davtag(const char *str) {
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186 const char *name = str;
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187 const char *color = NULL;
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188 size_t len = strlen(str);
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189 size_t namelen = len;
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190
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191 if(len == 0) {
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192 return NULL;
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193 }
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194
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195 // start with 1 because the first char should not be a linebreak
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196 for(int i=1;i<len;i++) {
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197 if(str[i] == '\n') {
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198 if(!color) {
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199 color = str + i + 1;
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200 namelen = i;
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201 }
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202 }
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203 }
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204 int colorlen = len - namelen - 1;
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205
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206 DavTag *tag = malloc(sizeof(DavTag));
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207 tag = malloc(sizeof(DavTag));
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208 tag->name = malloc(namelen + 1);
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209 memcpy(tag->name, name, namelen);
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210 tag->name[namelen] = 0;
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211 if(colorlen > 0) {
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212 tag->color = malloc(colorlen + 1);
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213 memcpy(tag->color, color, colorlen);
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214 tag->color[colorlen] = 0;
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215 } else {
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216 tag->color = NULL;
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217 }
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218
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219 return tag;
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220 }
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221
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222 UcxList* parse_macos_taglist(const char *buf, size_t length) {
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223 UcxList *taglist = NULL;
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224
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225 CFDataRef data = CFDataCreateWithBytesNoCopy(
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226 kCFAllocatorDefault,
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227 (const UInt8*)buf,
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228 length,
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diff changeset
229 kCFAllocatorNull);
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diff changeset
230 CFPropertyListRef propertylist = CFPropertyListCreateWithData(kCFAllocatorDefault, data, 0, NULL, NULL);
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231 CFArrayRef array = propertylist;
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232 int count = CFArrayGetCount(array);
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233 for(int i=0;i<count;i++) {
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234 CFStringRef str = CFArrayGetValueAtIndex(array, i);
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235 int slen = CFStringGetLength(str);
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diff changeset
236 size_t cstrbuflen = slen * 4 + 4;
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diff changeset
237 char *cstr = malloc(cstrbuflen);
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diff changeset
238 if(CFStringGetCString(str, cstr, cstrbuflen, kCFStringEncodingUTF8)) {
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239 DavTag *tag = tagstr2davtag(cstr);
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diff changeset
240 if(tag) {
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diff changeset
241 taglist = ucx_list_append(taglist, tag);
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242 }
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diff changeset
243 }
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diff changeset
244 free(cstr);
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diff changeset
245 }
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diff changeset
246
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diff changeset
247 CFRelease(propertylist);
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248 CFRelease(data);
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249
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250 return taglist;
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diff changeset
251 }
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252
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diff changeset
253 UcxBuffer* create_macos_taglist(UcxList *tags) {
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254 size_t count = ucx_list_size(tags);
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diff changeset
255 if(count == 0) {
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diff changeset
256 return NULL;
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diff changeset
257 }
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diff changeset
258
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diff changeset
259 CFStringRef *strings = calloc(sizeof(CFStringRef), count);
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diff changeset
260 int i = 0;
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diff changeset
261 UCX_FOREACH(elm, tags) {
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diff changeset
262 DavTag *tag = elm->data;
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diff changeset
263 CFStringRef str = NULL;
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diff changeset
264 if(tag->color) {
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diff changeset
265 sstr_t s = sstrcat(3, sstr(tag->name), S("\n"), sstr(tag->color));
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diff changeset
266 str = CFStringCreateWithCString(kCFAllocatorDefault, s.ptr, kCFStringEncodingUTF8);
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diff changeset
267 free(s.ptr);
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diff changeset
268 } else {
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diff changeset
269 str = CFStringCreateWithCString(kCFAllocatorDefault, tag->name, kCFStringEncodingUTF8);
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diff changeset
270 }
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diff changeset
271 strings[i] = str;
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diff changeset
272 i++;
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diff changeset
273 }
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diff changeset
274
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diff changeset
275 CFPropertyListRef array = CFArrayCreate(kCFAllocatorDefault, (const void**)strings, count, &kCFTypeArrayCallBacks);
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diff changeset
276 CFDataRef data = CFPropertyListCreateData(kCFAllocatorDefault, array, kCFPropertyListBinaryFormat_v1_0, 0, NULL);
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diff changeset
277
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diff changeset
278 UcxBuffer *buf = NULL;
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diff changeset
279 if(data) {
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diff changeset
280 int datalen = CFDataGetLength(data);
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diff changeset
281 CFRange range;
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diff changeset
282 range.location = 0;
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diff changeset
283 range.length = datalen;
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diff changeset
284 buf = ucx_buffer_new(NULL, datalen, 0);
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diff changeset
285 CFDataGetBytes(data, range, (UInt8*)buf->space);
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diff changeset
286 buf->size = datalen;
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diff changeset
287 CFRelease(data);
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diff changeset
288 }
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diff changeset
289
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diff changeset
290 for(int i=0;i<count;i++) {
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diff changeset
291 CFRelease(strings[i]);
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diff changeset
292 }
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diff changeset
293 CFRelease(array);
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diff changeset
294
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diff changeset
295 return buf;
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diff changeset
296 }
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diff changeset
297
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298 #else
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299 UcxList* parse_macos_taglist(const char *buf, size_t length) {
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300 return NULL;
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301 }
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302 UcxBuffer* create_macos_taglist(UcxList *tags) {
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303 return NULL;
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304 }
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305 #endif
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306

mercurial