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/*
Miranda IM: the free IM client for Microsoft* Windows*
Copyright 2000-2009 Miranda ICQ/IM project,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "..\..\core\commonheaders.h"
#include "JSONNode.h"
#ifdef JSON_WRITER
#include "JSONWorker.h"
const static json_string WRITER_EMPTY;
#ifndef JSON_NEWLINE
const static json_string NEW_LINE(JSON_TEXT("\n"));
#else
const static json_string NEW_LINE(JSON_TEXT(JSON_NEWLINE));
#endif
#ifdef JSON_INDENT
const static json_string INDENT(JSON_TEXT(JSON_INDENT));
inline json_string makeIndent(unsigned int amount){
if (amount == 0xFFFFFFFF) return WRITER_EMPTY;
json_string result;
result.reserve(amount);
for(unsigned int i = 0; i < amount; ++i){
result += INDENT;
}
return result;
}
#else
inline json_string makeIndent(unsigned int amount){
if (amount == 0xFFFFFFFF) return WRITER_EMPTY;
return json_string(amount, JSON_TEXT('\t'));
}
#endif
json_string internalJSONNode::WriteName(bool formatted, bool arrayChild) const {
if (arrayChild){
return WRITER_EMPTY ;
} else {
return JSON_TEXT("\"") + JSONWorker::UnfixString(_name, _name_encoded) + ((formatted) ? JSON_TEXT("\" : ") : JSON_TEXT("\":"));
}
}
json_string internalJSONNode::WriteChildren(unsigned int indent){
//Iterate through the children and write them
if (Children.empty()) return WRITER_EMPTY;
json_string indent_plus_one;
json_string indent_this;
json_string res;
//handle whether or not it's formatted JSON
if (indent != 0xFFFFFFFF){ //it's formatted, make the indentation strings
indent_this = NEW_LINE + makeIndent(indent);
indent_plus_one = NEW_LINE + makeIndent(++indent);
}
//else it's not formatted, leave the indentation strings empty
const size_t size_minus_one = Children.size() - 1;
size_t i = 0;
json_foreach(Children, it){
res += indent_plus_one + (*it) -> internal -> Write(indent, type() == JSON_ARRAY);
if (i < size_minus_one) res += JSON_TEXT(","); //the last one does not get a comma, but all of the others do
++i;
}
return res + indent_this;
}
#ifdef JSON_COMMENTS
#ifdef JSON_WRITE_BASH_COMMENTS
const static json_string SINGLELINE(JSON_TEXT("#"));
#else
const static json_string SINGLELINE(JSON_TEXT("//"));
#endif
json_string internalJSONNode::WriteComment(unsigned int indent) const {
if (indent == 0xFFFFFFFF) return WRITER_EMPTY;
if (_comment.empty()) return WRITER_EMPTY;
size_t pos = _comment.find(JSON_TEXT('\n'));
if (pos == json_string::npos){ //Single line comment
return NEW_LINE + makeIndent(indent) + SINGLELINE + _comment + NEW_LINE + makeIndent(indent);
}
/*
Multiline comments
*/
#if defined(JSON_WRITE_BASH_COMMENTS) || defined(JSON_WRITE_SINGLE_LINE_COMMENTS)
json_string result(NEW_LINE + makeIndent(indent));
#else
json_string result(NEW_LINE + makeIndent(indent) + JSON_TEXT("/*") + NEW_LINE + makeIndent(indent + 1));
#endif
size_t old = 0;
while(pos != json_string::npos){
if (pos && _comment[pos - 1] == JSON_TEXT('\r')) --pos;
#if defined(JSON_WRITE_BASH_COMMENTS) || defined(JSON_WRITE_SINGLE_LINE_COMMENTS)
result += SINGLELINE;
#endif
result += _comment.substr(old, pos - old) + NEW_LINE;
#if defined(JSON_WRITE_BASH_COMMENTS) || defined(JSON_WRITE_SINGLE_LINE_COMMENTS)
result += makeIndent(indent);
#else
result += makeIndent(indent + 1);
#endif
old = (_comment[pos] == JSON_TEXT('\r')) ? pos + 2 : pos + 1;
pos = _comment.find(JSON_TEXT('\n'), old);
}
#if defined(JSON_WRITE_BASH_COMMENTS) || defined(JSON_WRITE_SINGLE_LINE_COMMENTS)
result += SINGLELINE;
#endif
result += _comment.substr(old, pos - old) + NEW_LINE + makeIndent(indent);
#if defined(JSON_WRITE_BASH_COMMENTS) || defined(JSON_WRITE_SINGLE_LINE_COMMENTS)
return result;
#else
return result + JSON_TEXT("*/") + NEW_LINE + makeIndent(indent);
#endif
}
#else
json_string internalJSONNode::WriteComment(unsigned int) const {
return WRITER_EMPTY;
}
#endif
json_string internalJSONNode::Write(unsigned int indent, bool arrayChild){
const bool formatted = indent != 0xFFFFFFFF;
#ifndef JSON_PREPARSE
if (!(formatted || fetched)) { //It's not formatted or fetched, just do a raw dump
return WriteComment(indent) + WriteName(false, arrayChild) + _string;
}
#endif
//It's either formatted or fetched
switch (type()) {
case JSON_NODE: //got members, write the members
Fetch();
return WriteComment(indent) + WriteName(formatted, arrayChild) + JSON_TEXT("{") + WriteChildren(indent) + JSON_TEXT("}");
case JSON_ARRAY: //write out the child nodes int he array
Fetch();
return WriteComment(indent) + WriteName(formatted, arrayChild) + JSON_TEXT("[") + WriteChildren(indent) + JSON_TEXT("]");
case JSON_NUMBER: //write out a literal, without quotes
case JSON_NULL:
case JSON_BOOL:
return WriteComment(indent) + WriteName(formatted, arrayChild) + _string;
}
JSON_ASSERT_SAFE(type() == JSON_STRING, JSON_TEXT("Writing an unknown JSON node type"), return JSON_TEXT(""););
//If it go here, then it's a json_string
#ifndef JSON_PREPARSE
if (fetched) return WriteComment(indent) + WriteName(formatted, arrayChild) + JSON_TEXT("\"") + JSONWorker::UnfixString(_string, _string_encoded) + JSON_TEXT("\""); //It's already been fetched, meaning that it's unescaped
return WriteComment(indent) + WriteName(formatted, arrayChild) + _string; //it hasn't yet been fetched, so it's already unescaped, just do a dump
#else
return WriteComment(indent) + WriteName(formatted, arrayChild) + JSON_TEXT("\"") + JSONWorker::UnfixString(_string, _string_encoded) + JSON_TEXT("\"");
#endif
}
#endif
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