1f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch/* 2f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * libjingle 3f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * Copyright 2010, Google Inc. 4f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 5f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * Redistribution and use in source and binary forms, with or without 6f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * modification, are permitted provided that the following conditions are met: 7f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 8f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 1. Redistributions of source code must retain the above copyright notice, 9f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * this list of conditions and the following disclaimer. 10f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 2. Redistributions in binary form must reproduce the above copyright notice, 11f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * this list of conditions and the following disclaimer in the documentation 12f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * and/or other materials provided with the distribution. 13f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 3. The name of the author may not be used to endorse or promote products 14f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * derived from this software without specific prior written permission. 15f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 16f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch */ 27f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 28f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include "talk/p2p/base/parsing.h" 29f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 304a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch#include <algorithm> 31f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include <stdlib.h> 32f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include "talk/base/stringutils.h" 33f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 344a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdochnamespace { 354a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdochstd::string kTrue = "true"; 364a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdochstd::string kOne = "1"; 374a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch} 384a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch 39f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochnamespace cricket { 40f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 41f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochbool BadParse(const std::string& text, ParseError* err) { 423345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick if (err != NULL) { 433345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick err->text = text; 443345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick } 453345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick return false; 463345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick} 473345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick 483345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrickbool BadWrite(const std::string& text, WriteError* err) { 493345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick if (err != NULL) { 503345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick err->text = text; 513345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick } 52f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return false; 53f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 54f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 55f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochstd::string GetXmlAttr(const buzz::XmlElement* elem, 56f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch const buzz::QName& name, 57f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch const std::string& def) { 58f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch std::string val = elem->Attr(name); 59f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return val.empty() ? def : val; 60f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 61f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 624a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdochstd::string GetXmlAttr(const buzz::XmlElement* elem, 634a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch const buzz::QName& name, 644a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch const char* def) { 654a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch return GetXmlAttr(elem, name, std::string(def)); 664a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch} 674a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch 684a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdochbool GetXmlAttr(const buzz::XmlElement* elem, 694a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch const buzz::QName& name, bool def) { 704a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch std::string val = elem->Attr(name); 714a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch std::transform(val.begin(), val.end(), val.begin(), tolower); 724a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch 734a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch return val.empty() ? def : (val == kTrue || val == kOne); 744a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch} 754a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch 76f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochint GetXmlAttr(const buzz::XmlElement* elem, 77f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch const buzz::QName& name, int def) { 78f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch std::string val = elem->Attr(name); 79f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return val.empty() ? def : atoi(val.c_str()); 80f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 81f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 82f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochvoid AddXmlAttr(buzz::XmlElement* elem, 83f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch const buzz::QName& name, int n) { 84f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch char buf[32]; 85f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch talk_base::sprintfn(buf, sizeof(buf), "%d", n); 86f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch elem->AddAttr(name, buf); 87f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 88f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 89f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochvoid SetXmlBody(buzz::XmlElement* elem, uint32 u) { 90f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch char buf[16]; 91f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch talk_base::sprintfn(buf, sizeof(buf), "%u", u); 92f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch elem->SetBodyText(buf); 93f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 94f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 95f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochconst buzz::XmlElement* GetXmlChild(const buzz::XmlElement* parent, 96f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch const std::string& name) { 97f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch for (const buzz::XmlElement* child = parent->FirstElement(); 98f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch child != NULL; 99f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch child = child->NextElement()) { 100f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (child->Name().LocalPart() == name) { 101f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return child; 102f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 103f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 104f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return NULL; 105f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 106f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 107f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochbool RequireXmlChild(const buzz::XmlElement* parent, 108f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch const std::string& name, 109f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch const buzz::XmlElement** child, 110f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch ParseError* error) { 111f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch *child = GetXmlChild(parent, name); 112f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (*child == NULL) { 113f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return BadParse("element '" + parent->Name().Merged() + 114f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch "' missing required child '" + name, 115f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch error); 116f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } else { 117f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return true; 118f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 119f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 120f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 121f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochbool RequireXmlAttr(const buzz::XmlElement* elem, 122f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch const buzz::QName& name, 123f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch std::string* value, 124f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch ParseError* error) { 125f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (!elem->HasAttr(name)) { 126f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return BadParse("element '" + elem->Name().Merged() + 127f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch "' missing required attribute '" 128f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch + name.Merged() + "'", 129f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch error); 130f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } else { 131f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch *value = elem->Attr(name); 132f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return true; 133f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 134f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 135f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 136f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochvoid AddXmlChildren(buzz::XmlElement* parent, 137f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch const std::vector<buzz::XmlElement*>& children) { 138f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch for (std::vector<buzz::XmlElement*>::const_iterator iter = children.begin(); 139f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch iter != children.end(); 140f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch iter++) { 141f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch parent->AddElement(*iter); 142f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 143f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 144f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 1453345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrickvoid CopyXmlChildren(const buzz::XmlElement* source, buzz::XmlElement* dest) { 1463345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick for (const buzz::XmlElement* child = source->FirstElement(); 147f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch child != NULL; 148f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch child = child->NextElement()) { 149f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch dest->AddElement(new buzz::XmlElement(*child)); 150f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 151f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 152f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 153f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochstd::vector<buzz::XmlElement*> CopyOfXmlChildren(const buzz::XmlElement* elem) { 154f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch std::vector<buzz::XmlElement*> children; 155f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch for (const buzz::XmlElement* child = elem->FirstElement(); 156f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch child != NULL; 157f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch child = child->NextElement()) { 158f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch children.push_back(new buzz::XmlElement(*child)); 159f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 160f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return children; 161f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 162f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 163f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} // namespace cricket 164