/usr/include/ola/web/JsonParser.h is in libola-dev 0.10.5.nojsmin-3.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | /*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* JsonParser.h
* A JsonParserInterface implementation that builds a parse tree.
* Copyright (C) 2014 Simon Newton
*/
/**
* @addtogroup json
* @{
* @file JsonParser.h
* @brief A JsonParserInterface implementation that builds a parse tree.
* @}
*/
#ifndef INCLUDE_OLA_WEB_JSONPARSER_H_
#define INCLUDE_OLA_WEB_JSONPARSER_H_
#include <ola/base/Macro.h>
#include <ola/web/JsonLexer.h>
#include <memory>
#include <stack>
#include <string>
namespace ola {
namespace web {
class JsonArray;
class JsonObject;
class JsonValue;
/**
* @addtogroup json
* @{
*/
/**
* @brief A JsonParserInterface implementation that builds a tree of
* JsonValues.
*
* This is the most common implementation of the JsonParserInterface but it's
* also the least efficient since it loads the entire document into memory.
*/
class JsonParser : public JsonParserInterface {
public:
JsonParser() : JsonParserInterface() {}
void Begin();
void End();
void String(const std::string &value);
void Number(uint32_t value);
void Number(int32_t value);
void Number(uint64_t value);
void Number(int64_t value);
void Number(const JsonDouble::DoubleRepresentation &rep);
void Number(double value);
void Bool(bool value);
void Null();
void OpenArray();
void CloseArray();
void OpenObject();
void ObjectKey(const std::string &key);
void CloseObject();
void SetError(const std::string &error);
/**
* @brief Check if parsing was successful.
*/
std::string GetError() const;
/**
* @brief Get the root of the parse tree, or NULL if parsing failed.
* @returns the root JsonValue. Ownership is not transferred.
*/
JsonValue *GetRoot();
/**
* @brief Get the root of the parse tree, or NULL if parsing failed.
* @returns the root JsonValue. Ownership is transferred to the caller.
*/
JsonValue *ClaimRoot();
/**
* @brief Parse text and return a JsonValue representation
*/
static JsonValue* Parse(const std::string &input,
std::string *error);
private:
// The container type identifies the type of container (object or array)
// we're currently operating in. As we descend the parse tree we push types
// onto m_container_stack so we can back track up the tree later.
enum ContainerType {
ARRAY,
OBJECT,
};
std::string m_error;
std::auto_ptr<JsonValue> m_root;
std::string m_key;
std::stack<ContainerType> m_container_stack;
// The stacks below don't own the objects they point to.
std::stack<JsonArray*> m_array_stack;
std::stack<JsonObject*> m_object_stack;
void AddValue(JsonValue *value);
DISALLOW_COPY_AND_ASSIGN(JsonParser);
};
/**@}*/
} // namespace web
} // namespace ola
#endif // INCLUDE_OLA_WEB_JSONPARSER_H_
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