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moved all stuff to github
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Antonio Juarez
parent
095fbeeb67
commit
296ae46ed8
388 changed files with 95937 additions and 469 deletions
260
contrib/epee/include/storages/parserse_base_utils.h
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260
contrib/epee/include/storages/parserse_base_utils.h
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// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of the Andrey N. Sabelnikov nor the
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// names of its contributors may be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#pragma once
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namespace epee
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{
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namespace misc_utils
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{
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namespace parse
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{
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inline std::string transform_to_escape_sequence(const std::string& src)
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{
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//std::stringstream res;
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std::string res;
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for(std::string::const_iterator it = src.begin(); it!=src.end(); ++it)
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{
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switch(*it)
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{
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case '\b': //Backspace (ascii code 08)
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res+="\\b"; break;
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case '\f': //Form feed (ascii code 0C)
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res+="\\f"; break;
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case '\n': //New line
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res+="\\n"; break;
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case '\r': //Carriage return
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res+="\\r"; break;
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case '\t': //Tab
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res+="\\t"; break;
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case '\v': //Vertical tab
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res+="\\v"; break;
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//case '\'': //Apostrophe or single quote
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// res+="\\'"; break;
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case '"': //Double quote
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res+="\\\""; break;
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case '\\': //Backslash caracter
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res+="\\\\"; break;
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case '/': //Backslash caracter
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res+="\\/"; break;
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default:
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res.push_back(*it);
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}
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}
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return res;
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}
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/*
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\b Backspace (ascii code 08)
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\f Form feed (ascii code 0C)
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\n New line
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\r Carriage return
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\t Tab
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\v Vertical tab
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\' Apostrophe or single quote
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\" Double quote
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\\ Backslash character
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*/
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inline void match_string2(std::string::const_iterator& star_end_string, std::string::const_iterator buf_end, std::string& val)
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{
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val.clear();
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bool escape_mode = false;
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std::string::const_iterator it = star_end_string;
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++it;
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for(;it != buf_end;it++)
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{
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if(escape_mode/*prev_ch == '\\'*/)
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{
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switch(*it)
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{
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case 'b': //Backspace (ascii code 08)
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val.push_back(0x08);break;
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case 'f': //Form feed (ascii code 0C)
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val.push_back(0x0C);break;
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case 'n': //New line
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val.push_back('\n');break;
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case 'r': //Carriage return
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val.push_back('\r');break;
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case 't': //Tab
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val.push_back('\t');break;
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case 'v': //Vertical tab
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val.push_back('\v');break;
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case '\'': //Apostrophe or single quote
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val.push_back('\'');break;
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case '"': //Double quote
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val.push_back('"');break;
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case '\\': //Backslash character
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val.push_back('\\');break;
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case '/': //Slash character
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val.push_back('/');break;
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default:
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val.push_back(*it);
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LOG_PRINT_L0("Unknown escape sequence :\"\\" << *it << "\"");
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}
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escape_mode = false;
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}else if(*it == '"')
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{
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star_end_string = it;
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return;
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}else if(*it == '\\')
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{
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escape_mode = true;
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}
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else
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{
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val.push_back(*it);
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}
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}
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ASSERT_MES_AND_THROW("Failed to match string in json entry: " << std::string(star_end_string, buf_end));
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}
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inline bool match_string(std::string::const_iterator& star_end_string, std::string::const_iterator buf_end, std::string& val)
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{
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try
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{
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match_string2(star_end_string, buf_end, val);
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return true;
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}
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catch(...)
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{
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return false;
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}
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}
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inline void match_number2(std::string::const_iterator& star_end_string, std::string::const_iterator buf_end, std::string& val, bool& is_float_val, bool& is_signed_val)
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{
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val.clear();
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is_float_val = false;
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for(std::string::const_iterator it = star_end_string;it != buf_end;it++)
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{
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if(isdigit(*it) || (it == star_end_string && *it == '-') || (val.size() && *it == '.' ) || (is_float_val && (*it == 'e' || *it == 'E' || *it == '-' || *it == '+' )) )
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{
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if(!val.size() && *it == '-')
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is_signed_val = true;
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if(*it == '.' )
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is_float_val = true;
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val.push_back(*it);
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}
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else
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{
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if(val.size())
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{
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star_end_string = --it;
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return;
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}
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else
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ASSERT_MES_AND_THROW("wrong number in json entry: " << std::string(star_end_string, buf_end));
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}
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}
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ASSERT_MES_AND_THROW("wrong number in json entry: " << std::string(star_end_string, buf_end));
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}
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inline bool match_number(std::string::const_iterator& star_end_string, std::string::const_iterator buf_end, std::string& val)
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{
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try
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{
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bool is_v_float = false;bool is_signed_val = false;
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match_number2(star_end_string, buf_end, val, is_v_float, is_signed_val);
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return !is_v_float;
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}
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catch(...)
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{
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return false;
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}
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}
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inline void match_word2(std::string::const_iterator& star_end_string, std::string::const_iterator buf_end, std::string& val)
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{
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val.clear();
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for(std::string::const_iterator it = star_end_string;it != buf_end;it++)
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{
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if(!isalpha(*it))
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{
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val.assign(star_end_string, it);
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if(val.size())
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{
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star_end_string = --it;
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return;
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}else
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ASSERT_MES_AND_THROW("failed to match word number in json entry: " << std::string(star_end_string, buf_end));
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}
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}
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ASSERT_MES_AND_THROW("failed to match word number in json entry: " << std::string(star_end_string, buf_end));
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}
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inline bool match_word(std::string::const_iterator& star_end_string, std::string::const_iterator buf_end, std::string& val)
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{
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try
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{
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match_word2(star_end_string, buf_end, val);
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return true;
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}
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catch(...)
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{
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return false;
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}
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}
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inline bool match_word_with_extrasymb(std::string::const_iterator& star_end_string, std::string::const_iterator buf_end, std::string& val)
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{
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val.clear();
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for(std::string::const_iterator it = star_end_string;it != buf_end;it++)
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{
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if(!isalnum(*it) && *it != '-' && *it != '_')
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{
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val.assign(star_end_string, it);
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if(val.size())
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{
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star_end_string = --it;
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return true;
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}else
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return false;
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}
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}
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return false;
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}
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inline bool match_word_til_equal_mark(std::string::const_iterator& star_end_string, std::string::const_iterator buf_end, std::string::const_iterator& word_end)
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{
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word_end = star_end_string;
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for(std::string::const_iterator it = star_end_string;it != buf_end;it++)
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{
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if(isspace(*it))
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{
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continue;
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}else if( *it == '=' )
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{
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star_end_string = it;
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word_end = it;
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return true;
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}
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}
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return false;
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}
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}
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}
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}
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