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| 1 /* | |
| 2 * Copyright 2010 The WebRTC Project Authors. All rights reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include "webrtc/libjingle/session/parsing.h" | |
| 12 | |
| 13 #include <stdlib.h> | |
| 14 #include <algorithm> | |
| 15 #include "webrtc/base/stringutils.h" | |
| 16 | |
| 17 namespace { | |
| 18 static const char kTrue[] = "true"; | |
| 19 static const char kOne[] = "1"; | |
| 20 } | |
| 21 | |
| 22 namespace cricket { | |
| 23 | |
| 24 bool BadParse(const std::string& text, ParseError* err) { | |
| 25 if (err != NULL) { | |
| 26 err->text = text; | |
| 27 } | |
| 28 return false; | |
| 29 } | |
| 30 | |
| 31 bool BadWrite(const std::string& text, WriteError* err) { | |
| 32 if (err != NULL) { | |
| 33 err->text = text; | |
| 34 } | |
| 35 return false; | |
| 36 } | |
| 37 | |
| 38 std::string GetXmlAttr(const buzz::XmlElement* elem, | |
| 39 const buzz::QName& name, | |
| 40 const std::string& def) { | |
| 41 std::string val = elem->Attr(name); | |
| 42 return val.empty() ? def : val; | |
| 43 } | |
| 44 | |
| 45 std::string GetXmlAttr(const buzz::XmlElement* elem, | |
| 46 const buzz::QName& name, | |
| 47 const char* def) { | |
| 48 return GetXmlAttr(elem, name, std::string(def)); | |
| 49 } | |
| 50 | |
| 51 bool GetXmlAttr(const buzz::XmlElement* elem, | |
| 52 const buzz::QName& name, bool def) { | |
| 53 std::string val = elem->Attr(name); | |
| 54 std::transform(val.begin(), val.end(), val.begin(), tolower); | |
| 55 | |
| 56 return val.empty() ? def : (val == kTrue || val == kOne); | |
| 57 } | |
| 58 | |
| 59 int GetXmlAttr(const buzz::XmlElement* elem, | |
| 60 const buzz::QName& name, int def) { | |
| 61 std::string val = elem->Attr(name); | |
| 62 return val.empty() ? def : atoi(val.c_str()); | |
| 63 } | |
| 64 | |
| 65 const buzz::XmlElement* GetXmlChild(const buzz::XmlElement* parent, | |
| 66 const std::string& name) { | |
| 67 for (const buzz::XmlElement* child = parent->FirstElement(); | |
| 68 child != NULL; | |
| 69 child = child->NextElement()) { | |
| 70 if (child->Name().LocalPart() == name) { | |
| 71 return child; | |
| 72 } | |
| 73 } | |
| 74 return NULL; | |
| 75 } | |
| 76 | |
| 77 bool RequireXmlChild(const buzz::XmlElement* parent, | |
| 78 const std::string& name, | |
| 79 const buzz::XmlElement** child, | |
| 80 ParseError* error) { | |
| 81 *child = GetXmlChild(parent, name); | |
| 82 if (*child == NULL) { | |
| 83 return BadParse("element '" + parent->Name().Merged() + | |
| 84 "' missing required child '" + name, | |
| 85 error); | |
| 86 } else { | |
| 87 return true; | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 bool RequireXmlAttr(const buzz::XmlElement* elem, | |
| 92 const buzz::QName& name, | |
| 93 std::string* value, | |
| 94 ParseError* error) { | |
| 95 if (!elem->HasAttr(name)) { | |
| 96 return BadParse("element '" + elem->Name().Merged() + | |
| 97 "' missing required attribute '" | |
| 98 + name.Merged() + "'", | |
| 99 error); | |
| 100 } else { | |
| 101 *value = elem->Attr(name); | |
| 102 return true; | |
| 103 } | |
| 104 } | |
| 105 | |
| 106 void AddXmlAttrIfNonEmpty(buzz::XmlElement* elem, | |
| 107 const buzz::QName name, | |
| 108 const std::string& value) { | |
| 109 if (!value.empty()) { | |
| 110 elem->AddAttr(name, value); | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 void AddXmlChildren(buzz::XmlElement* parent, | |
| 115 const std::vector<buzz::XmlElement*>& children) { | |
| 116 for (std::vector<buzz::XmlElement*>::const_iterator iter = children.begin(); | |
| 117 iter != children.end(); | |
| 118 iter++) { | |
| 119 parent->AddElement(*iter); | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 void CopyXmlChildren(const buzz::XmlElement* source, buzz::XmlElement* dest) { | |
| 124 for (const buzz::XmlElement* child = source->FirstElement(); | |
| 125 child != NULL; | |
| 126 child = child->NextElement()) { | |
| 127 dest->AddElement(new buzz::XmlElement(*child)); | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 std::vector<buzz::XmlElement*> CopyOfXmlChildren(const buzz::XmlElement* elem) { | |
| 132 std::vector<buzz::XmlElement*> children; | |
| 133 for (const buzz::XmlElement* child = elem->FirstElement(); | |
| 134 child != NULL; | |
| 135 child = child->NextElement()) { | |
| 136 children.push_back(new buzz::XmlElement(*child)); | |
| 137 } | |
| 138 return children; | |
| 139 } | |
| 140 | |
| 141 } // namespace cricket | |
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Chromium Code Reviews
Issue 1175243003:
Remove webrtc/libjingle/{examples,session}. (Closed)
Base URL: https://chromium.googlesource.com/external/webrtc.git@master