src/server/webdav/saxhandler.cpp

Wed, 31 Jul 2013 13:02:06 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 31 Jul 2013 13:02:06 +0200
changeset 90
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parent 87
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child 91
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permissions
-rw-r--r--

load_modules supports nsapi module init functions

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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 2013 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 #include <string.h>
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32 #include <iostream>
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33
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34 #include "../ucx/string.h"
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35 #include "../ucx/dlist.h"
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36 #include "../util/pool.h"
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37
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38 #include "saxhandler.h"
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39
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40 using namespace std;
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41
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42 void xstack_push(UcxDlist **stack, XmlElement *elm) {
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43 *stack = ucx_dlist_prepend(*stack, elm);
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44 }
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45
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46 XmlElement* xstack_pop(UcxDlist **stack) {
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47 if(*stack == NULL) {
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48 return NULL;
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49 }
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50 XmlElement* ret = (XmlElement*)(*stack)->data;
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51 UcxDlist *newstack = ucx_dlist_remove(*stack, *stack);
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52 *stack = newstack;
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53 return ret;
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54 }
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57
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58 PropfindHandler::PropfindHandler(PropfindRequest *rq, pool_handle_t *p) {
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59 davrq = rq;
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60 pool = p;
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61
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62 davPropTag = false;
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63 property = NULL;
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64 }
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65
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66 PropfindHandler::~PropfindHandler() {
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67
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68 }
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69
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70 void PropfindHandler::startElement(
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71 const XMLCh *const uri,
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72 const XMLCh* const localname,
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73 const XMLCh* const qname,
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74 const Attributes& attrs)
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75 {
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76 char *ns = XMLString::transcode(uri);
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77 char *name = XMLString::transcode(localname);
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78
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79 if(!strcmp(ns, "DAV:") && !strcmp(name, "allprop")) {
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80 davrq->allprop = 1;
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81 } else if(!strcmp(ns, "DAV:") && !strcmp(name, "prop")) {
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82 davPropTag = true;
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83 } else if(davPropTag && property == NULL && !davrq->allprop) {
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84 property = (DavProperty*)pool_malloc(pool, sizeof(DavProperty));
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85
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86 size_t nslen = strlen(ns);
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87 size_t namelen = strlen(name);
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88 if(nslen > 0) {
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89 //property->xmlns = (char*)pool_malloc(pool, nslen + 1);
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90 //property->xmlns[nslen] = 0;
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91 property->xmlns = xmlnsmap_put(davrq->nsmap, ns);
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92 //memcpy(property->xmlns, ns, nslen);
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93 } else {
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94 property->xmlns = NULL;
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95 }
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96
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97 if(namelen > 0) {
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98 property->name = (char*)pool_malloc(pool, namelen + 1);
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99 property->name[namelen] = 0;
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100 memcpy(property->name, name, namelen);
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101 } else {
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102 property->name = NULL;
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103 }
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104 }
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105
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106 XMLString::release(&ns);
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107 XMLString::release(&name);
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108 }
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109
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110
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111 void PropfindHandler::endElement(
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112 const XMLCh* const uri,
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113 const XMLCh* const localname,
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114 const XMLCh* const qname)
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115 {
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116 char *ns = XMLString::transcode(uri);
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117 char *name = XMLString::transcode(localname);
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118
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119 if(property != NULL) {
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120 const char *xmlns = (property->xmlns) ? property->xmlns->xmlns : "";
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121
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122 if(!strcmp(ns, xmlns) && !strcmp(name, property->name)) {
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123 // add property to DavRequest
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124 UcxDlist *elm = (UcxDlist*)pool_malloc(pool, sizeof(UcxDlist));
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125 elm->prev = NULL;
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126 elm->next = NULL;
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127 elm->data = property;
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128 //printf("saxhandler: add property: {%s}\n", property->name);
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129 davrq->properties = ucx_dlist_concat(davrq->properties, elm);
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130
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131 property = NULL;
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132 }
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133 }
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134
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135 XMLString::release(&ns);
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136 XMLString::release(&name);
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137 }
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138
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139 void PropfindHandler::startDocument() {
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140
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141 }
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142
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143 void PropfindHandler::endDocument() {
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144
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145 }
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146
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147
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148 /************* PropPatch Handler **************/
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149
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150 ProppatchHandler::ProppatchHandler(ProppatchRequest *rq, pool_handle_t *p) {
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151 davrq = rq;
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152 pool = p;
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153
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154 davPropTag = false;
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155 rootElement = NULL;
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156 xmlStack = NULL;
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157 newElement = NULL;
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158
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159 updateMode = -1;
29
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160 }
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161
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162 ProppatchHandler::~ProppatchHandler() {
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163 ucx_dlist_free(xmlStack);
29
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164 }
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165
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166 void ProppatchHandler::startElement(
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167 const XMLCh *const uri,
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168 const XMLCh* const localname,
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169 const XMLCh* const qname,
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170 const Attributes& attrs)
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171 {
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172 char *ns = XMLString::transcode(uri);
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173 char *name = XMLString::transcode(localname);
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174
30
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175 if(!strcmp(ns, "DAV:") && !strcmp(name, "set")) {
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176 updateMode = 0;
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177 } else if(!strcmp(ns, "DAV:") && !strcmp(name, "remove")) {
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178 updateMode = 1;
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179 } else if(!strcmp(ns, "DAV:") && !strcmp(name, "prop")) {
29
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180 davPropTag = true;
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181 } else if(davPropTag) {
30
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182 newElement = (XmlElement*)pool_calloc(pool, 1, sizeof(XmlElement));
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183 newElement->name = pool_strdup(pool, name);
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184 newElement->xmlns = xmlnsmap_put(davrq->nsmap, ns);
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185
30
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186 /*
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187 * the xml stack manages the xml hierarchy
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188 * new elements will be added to the top element on the stack
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189 */
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190
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191 XmlElement *currentElm = XSTACK_CUR();
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192 if(currentElm) {
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193 xmlelm_add_child(currentElm, newElement);
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194 }
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195
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196 /* newElement is now the parent for future elements */
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197 XSTACK_PUSH(newElement);
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198
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199 /* if the root element isn't set, the first new element is the root */
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200 if(!rootElement) {
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201 rootElement = newElement;
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202 }
29
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203 }
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204
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205 XMLString::release(&ns);
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206 XMLString::release(&name);
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207 }
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208
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209
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210 void ProppatchHandler::endElement(
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211 const XMLCh* const uri,
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212 const XMLCh* const localname,
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213 const XMLCh* const qname)
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214 {
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215 char *ns = XMLString::transcode(uri);
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216 char *name = XMLString::transcode(localname);
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217
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218 if(!strcmp(ns, "DAV:") && !strcmp(name, "set")) {
30
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219 updateMode = -1;
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220 } else if(!strcmp(ns, "DAV:") && !strcmp(name, "remove")) {
30
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221 updateMode = -1;
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222 } else if(!strcmp(ns, "DAV:") && !strcmp(name, "prop")) {
30
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223 davPropTag = false;
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224 } else if(davPropTag) {
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225 XmlElement *elm = XSTACK_POP();
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226 if(xmlStack == NULL) {
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227 /* property complete */
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228
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229 /*
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230 XmlElement *r = rootElement;
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231 printf("<%s>\n", sstrdup(r->name).ptr);
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232 printf("%s\n", r->content);
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233 printf("</%s>\n", sstrdup(r->name).ptr);
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diff changeset
234 */
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235
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236 /* add the property to the proppatch request */
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diff changeset
237 switch(updateMode) {
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238 case 0: {
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diff changeset
239 davrq->setProps = ucx_dlist_append(
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240 davrq->setProps,
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diff changeset
241 rootElement);
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diff changeset
242 break;
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diff changeset
243 }
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diff changeset
244 case 1: {
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diff changeset
245 davrq->removeProps = ucx_dlist_append(
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diff changeset
246 davrq->removeProps,
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diff changeset
247 rootElement);
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diff changeset
248 break;
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diff changeset
249 }
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diff changeset
250 }
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diff changeset
251
27c7511c0e34 new proppatch, mkcol and delete method
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diff changeset
252 rootElement = NULL;
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diff changeset
253
27c7511c0e34 new proppatch, mkcol and delete method
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254 }
29
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255 }
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diff changeset
256
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257
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diff changeset
258 XMLString::release(&ns);
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259 XMLString::release(&name);
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260 }
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diff changeset
261
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262 void ProppatchHandler::characters(
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diff changeset
263 const XMLCh *const chars,
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264 const XMLSize_t length)
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diff changeset
265 {
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diff changeset
266
30
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diff changeset
267 XMLString::trim((XMLCh *const)chars);
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diff changeset
268 if(chars[0] == 0) {
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269 return;
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270 }
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diff changeset
271
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diff changeset
272 XmlElement *currentElm = XSTACK_CUR();
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diff changeset
273 if(currentElm) {
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diff changeset
274 xmlch_t *str = (xmlch_t*)pool_calloc(pool, sizeof(xmlch_t), length + 1);
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diff changeset
275 for(int i=0;i<length;i++) {
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276 str[i] = chars[i];
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277 }
59
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diff changeset
278 str[length] = 0;
30
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diff changeset
279
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diff changeset
280 currentElm->content = str;
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diff changeset
281 currentElm->ctlen = length;
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diff changeset
282 }
29
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283 }
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diff changeset
284
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diff changeset
285 void ProppatchHandler::startDocument() {
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286
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287 }
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parents: 25
diff changeset
288
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289 void ProppatchHandler::endDocument() {
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diff changeset
290
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diff changeset
291 }
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parents: 25
diff changeset
292

mercurial