Mon, 01 Jan 2018 19:53:36 +0100
adds xattr lib and tag support
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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 | |
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39 | UcxList* parse_text_taglist(const char *buf, size_t length) { |
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40 | UcxList *tags = NULL; |
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41 | |
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42 | int line_start = 0; |
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43 | for(int i=0;i<length;i++) { |
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44 | if(buf[i] == '\n' || i == length-1) { |
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45 | sstr_t line = sstrtrim(sstrn((char*)buf + line_start, i - line_start)); |
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46 | if(line.length > 0) { |
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47 | DavTag *tag = calloc(1, sizeof(DavTag)); |
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48 | tag->name = sstrdup(line).ptr; |
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49 | tag->color = NULL; |
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50 | tags = ucx_list_append(tags, tag); |
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51 | } |
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52 | line_start = i+1; |
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53 | } |
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54 | } |
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55 | |
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56 | return tags; |
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57 | } |
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58 | |
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59 | UcxBuffer* create_text_taglist(UcxList *tags) { |
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60 | if(!tags) { |
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61 | return NULL; |
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62 | } |
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63 | |
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64 | UcxBuffer *buf = ucx_buffer_new(NULL, 128, UCX_BUFFER_AUTOEXTEND); |
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65 | UCX_FOREACH(elm, tags) { |
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66 | DavTag *tag = elm->data; |
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67 | ucx_bprintf(buf, "%s\n", tag->name); |
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68 | } |
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69 | return buf; |
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70 | } |
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71 | |
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72 | |
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73 | UcxList* parse_csv_taglist(const char *buf, size_t length) { |
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74 | UcxList *taglist = NULL; |
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75 | |
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76 | sstr_t str = sstrn((char*)buf, length); |
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77 | ssize_t count = 0; |
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78 | sstr_t *tags = sstrsplit(str, S(","), &count); |
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79 | for(int i=0;i<count;i++) { |
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80 | DavTag *tag = malloc(sizeof(DavTag)); |
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81 | tag->name = sstrdup(sstrtrim(tags[i])).ptr; |
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82 | tag->color = NULL; |
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83 | taglist = ucx_list_append(taglist, tag); |
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84 | free(tags[i].ptr); |
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85 | } |
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86 | if(tags) { |
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87 | free(tags); |
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88 | } |
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89 | return taglist; |
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90 | } |
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91 | |
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92 | UcxBuffer* create_csv_taglist(UcxList *tags) { |
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93 | UcxBuffer *buf = ucx_buffer_new(NULL, 128, UCX_BUFFER_AUTOEXTEND); |
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94 | int insertsep = 0; |
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95 | UCX_FOREACH(elm, tags) { |
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96 | DavTag *tag = elm->data; |
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97 | if(insertsep) { |
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98 | ucx_buffer_putc(buf, ','); |
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99 | } |
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100 | ucx_buffer_puts(buf, tag->name); |
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101 | insertsep = 1; |
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102 | } |
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103 | return buf; |
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104 | } |
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105 | |
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106 | |
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107 | static DavTag* parse_xml_dav_tag(DavXmlNode *node) { |
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108 | char *name = NULL; |
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109 | |
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110 | DavXmlNode *c = node->children; |
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111 | while(c) { |
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112 | if(c->type == DAV_XML_ELEMENT) { |
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113 | char *value = dav_xml_getstring(c->children); |
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114 | if(value) { |
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115 | if(!strcmp(c->namespace, DAV_NS)) { |
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116 | if(!strcmp(c->name, "name")) { |
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117 | char *value = dav_xml_getstring(c->children); |
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118 | if(value) { |
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119 | name = value; |
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120 | } |
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121 | } |
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122 | // TODO: color, ... |
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123 | } |
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124 | } |
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125 | } |
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126 | c = c->next; |
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127 | } |
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128 | |
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129 | DavTag *tag = NULL; |
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130 | if(name) { |
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131 | tag = malloc(sizeof(DavTag)); |
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132 | tag->name = strdup(name); |
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133 | tag->color = NULL; |
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134 | } |
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135 | return tag; |
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136 | } |
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137 | |
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138 | UcxList* parse_dav_xml_taglist(DavXmlNode *taglistnode) { |
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139 | UcxList *tags = NULL; |
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140 | |
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141 | DavXmlNode *node = taglistnode; |
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142 | while(node) { |
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143 | if(node->type == DAV_XML_ELEMENT) { |
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144 | if(!strcmp(node->namespace, DAV_NS) && !strcmp(node->name, "tag")) { |
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145 | DavTag *tag = parse_xml_dav_tag(node); |
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146 | if(tag) { |
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147 | tags = ucx_list_append(tags, tag); |
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148 | } |
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149 | } |
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150 | } |
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151 | node = node->next; |
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152 | } |
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153 | |
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154 | return tags; |
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155 | } |
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156 | |
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157 | DavXmlNode* create_xml_taglist(UcxList *tags) { |
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158 | DavXmlNode *tag1 = NULL; |
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159 | DavXmlNode *lasttag = NULL; |
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160 | UCX_FOREACH(elm, tags) { |
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161 | DavTag *tag = elm->data; |
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162 | |
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163 | DavXmlNode *tagelm = dav_xml_createnode(DAV_NS, "tag"); |
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164 | DavXmlNode *tagname = dav_xml_createnode_with_text(DAV_NS, "name", tag->name); |
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165 | // TODO: color |
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166 | tagelm->children = tagname; |
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167 | |
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168 | if(lasttag) { |
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169 | lasttag->next = tagelm; |
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170 | tagelm->prev = lasttag; |
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171 | } else { |
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172 | tag1 = tagelm; |
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173 | } |
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174 | lasttag = tagelm; |
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175 | } |
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176 | return tag1; |
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177 | } |