mirror of
https://github.com/hyperion-project/hyperion.ng.git
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First working version with some test executables
This commit is contained in:
T. van der Zwan
838
dependencies/build/jsoncpp/json_writer.cpp
vendored
Normal file
838
dependencies/build/jsoncpp/json_writer.cpp
vendored
Normal file
@@ -0,0 +1,838 @@
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// Copyright 2007-2010 Baptiste Lepilleur
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// Distributed under MIT license, or public domain if desired and
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// recognized in your jurisdiction.
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// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
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#if !defined(JSON_IS_AMALGAMATION)
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# include <json/writer.h>
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# include "json_tool.h"
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#endif // if !defined(JSON_IS_AMALGAMATION)
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#include <utility>
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include <iostream>
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#include <sstream>
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#include <iomanip>
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#if _MSC_VER >= 1400 // VC++ 8.0
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#pragma warning( disable : 4996 ) // disable warning about strdup being deprecated.
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#endif
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namespace Json {
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static bool containsControlCharacter( const char* str )
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{
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while ( *str )
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{
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if ( isControlCharacter( *(str++) ) )
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return true;
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}
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return false;
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}
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std::string valueToString( LargestInt value )
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{
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UIntToStringBuffer buffer;
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char *current = buffer + sizeof(buffer);
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bool isNegative = value < 0;
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if ( isNegative )
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value = -value;
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uintToString( LargestUInt(value), current );
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if ( isNegative )
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*--current = '-';
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assert( current >= buffer );
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return current;
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}
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std::string valueToString( LargestUInt value )
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{
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UIntToStringBuffer buffer;
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char *current = buffer + sizeof(buffer);
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uintToString( value, current );
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assert( current >= buffer );
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return current;
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}
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#if defined(JSON_HAS_INT64)
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std::string valueToString( Int value )
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{
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return valueToString( LargestInt(value) );
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}
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std::string valueToString( UInt value )
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{
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return valueToString( LargestUInt(value) );
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}
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#endif // # if defined(JSON_HAS_INT64)
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std::string valueToString( double value )
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{
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char buffer[32];
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#if defined(_MSC_VER) && defined(__STDC_SECURE_LIB__) // Use secure version with visual studio 2005 to avoid warning.
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sprintf_s(buffer, sizeof(buffer), "%#.16g", value);
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#else
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sprintf(buffer, "%#.16g", value);
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#endif
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char* ch = buffer + strlen(buffer) - 1;
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if (*ch != '0') return buffer; // nothing to truncate, so save time
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while(ch > buffer && *ch == '0'){
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--ch;
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}
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char* last_nonzero = ch;
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while(ch >= buffer){
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switch(*ch){
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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--ch;
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continue;
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case '.':
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// Truncate zeroes to save bytes in output, but keep one.
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*(last_nonzero+2) = '\0';
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return buffer;
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default:
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return buffer;
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}
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}
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return buffer;
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}
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std::string valueToString( bool value )
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{
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return value ? "true" : "false";
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}
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std::string valueToQuotedString( const char *value )
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{
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// Not sure how to handle unicode...
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if (strpbrk(value, "\"\\\b\f\n\r\t") == NULL && !containsControlCharacter( value ))
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return std::string("\"") + value + "\"";
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// We have to walk value and escape any special characters.
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// Appending to std::string is not efficient, but this should be rare.
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// (Note: forward slashes are *not* rare, but I am not escaping them.)
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std::string::size_type maxsize = strlen(value)*2 + 3; // allescaped+quotes+NULL
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std::string result;
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result.reserve(maxsize); // to avoid lots of mallocs
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result += "\"";
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for (const char* c=value; *c != 0; ++c)
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{
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switch(*c)
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{
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case '\"':
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result += "\\\"";
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break;
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case '\\':
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result += "\\\\";
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break;
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case '\b':
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result += "\\b";
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break;
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case '\f':
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result += "\\f";
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break;
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case '\n':
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result += "\\n";
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break;
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case '\r':
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result += "\\r";
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break;
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case '\t':
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result += "\\t";
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break;
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//case '/':
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// Even though \/ is considered a legal escape in JSON, a bare
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// slash is also legal, so I see no reason to escape it.
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// (I hope I am not misunderstanding something.
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// blep notes: actually escaping \/ may be useful in javascript to avoid </
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// sequence.
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// Should add a flag to allow this compatibility mode and prevent this
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// sequence from occurring.
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default:
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if ( isControlCharacter( *c ) )
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{
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std::ostringstream oss;
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oss << "\\u" << std::hex << std::uppercase << std::setfill('0') << std::setw(4) << static_cast<int>(*c);
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result += oss.str();
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}
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else
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{
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result += *c;
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}
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break;
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}
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}
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result += "\"";
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return result;
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}
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// Class Writer
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// //////////////////////////////////////////////////////////////////
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Writer::~Writer()
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{
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}
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// Class FastWriter
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// //////////////////////////////////////////////////////////////////
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FastWriter::FastWriter()
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: yamlCompatiblityEnabled_( false )
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{
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}
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void
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FastWriter::enableYAMLCompatibility()
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{
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yamlCompatiblityEnabled_ = true;
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}
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std::string
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FastWriter::write( const Value &root )
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{
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document_ = "";
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writeValue( root );
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document_ += "\n";
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return document_;
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}
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void
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FastWriter::writeValue( const Value &value )
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{
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switch ( value.type() )
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{
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case nullValue:
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document_ += "null";
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break;
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case intValue:
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document_ += valueToString( value.asLargestInt() );
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break;
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case uintValue:
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document_ += valueToString( value.asLargestUInt() );
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break;
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case realValue:
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document_ += valueToString( value.asDouble() );
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break;
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case stringValue:
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document_ += valueToQuotedString( value.asCString() );
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break;
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case booleanValue:
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document_ += valueToString( value.asBool() );
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break;
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case arrayValue:
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{
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document_ += "[";
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int size = value.size();
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for ( int index =0; index < size; ++index )
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{
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if ( index > 0 )
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document_ += ",";
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writeValue( value[index] );
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}
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document_ += "]";
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}
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break;
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case objectValue:
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{
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Value::Members members( value.getMemberNames() );
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document_ += "{";
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for ( Value::Members::iterator it = members.begin();
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it != members.end();
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++it )
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{
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const std::string &name = *it;
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if ( it != members.begin() )
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document_ += ",";
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document_ += valueToQuotedString( name.c_str() );
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document_ += yamlCompatiblityEnabled_ ? ": "
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: ":";
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writeValue( value[name] );
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}
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document_ += "}";
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}
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break;
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}
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}
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// Class StyledWriter
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// //////////////////////////////////////////////////////////////////
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StyledWriter::StyledWriter()
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: rightMargin_( 74 )
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, indentSize_( 3 )
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{
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}
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std::string
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StyledWriter::write( const Value &root )
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{
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document_ = "";
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addChildValues_ = false;
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indentString_ = "";
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writeCommentBeforeValue( root );
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writeValue( root );
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writeCommentAfterValueOnSameLine( root );
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document_ += "\n";
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return document_;
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}
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void
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StyledWriter::writeValue( const Value &value )
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{
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switch ( value.type() )
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{
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case nullValue:
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pushValue( "null" );
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break;
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case intValue:
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pushValue( valueToString( value.asLargestInt() ) );
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break;
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case uintValue:
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pushValue( valueToString( value.asLargestUInt() ) );
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break;
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case realValue:
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pushValue( valueToString( value.asDouble() ) );
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break;
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case stringValue:
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pushValue( valueToQuotedString( value.asCString() ) );
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break;
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case booleanValue:
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pushValue( valueToString( value.asBool() ) );
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break;
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case arrayValue:
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writeArrayValue( value);
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break;
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case objectValue:
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{
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Value::Members members( value.getMemberNames() );
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if ( members.empty() )
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pushValue( "{}" );
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else
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{
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writeWithIndent( "{" );
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indent();
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Value::Members::iterator it = members.begin();
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for (;;)
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{
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const std::string &name = *it;
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const Value &childValue = value[name];
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writeCommentBeforeValue( childValue );
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writeWithIndent( valueToQuotedString( name.c_str() ) );
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document_ += " : ";
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writeValue( childValue );
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if ( ++it == members.end() )
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{
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writeCommentAfterValueOnSameLine( childValue );
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break;
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}
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document_ += ",";
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writeCommentAfterValueOnSameLine( childValue );
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}
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unindent();
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writeWithIndent( "}" );
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}
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}
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break;
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}
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}
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||||
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||||
|
||||
void
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StyledWriter::writeArrayValue( const Value &value )
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{
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unsigned size = value.size();
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||||
if ( size == 0 )
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pushValue( "[]" );
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||||
else
|
||||
{
|
||||
bool isArrayMultiLine = isMultineArray( value );
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||||
if ( isArrayMultiLine )
|
||||
{
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writeWithIndent( "[" );
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indent();
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bool hasChildValue = !childValues_.empty();
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unsigned index =0;
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for (;;)
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{
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const Value &childValue = value[index];
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||||
writeCommentBeforeValue( childValue );
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||||
if ( hasChildValue )
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writeWithIndent( childValues_[index] );
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||||
else
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{
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writeIndent();
|
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writeValue( childValue );
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||||
}
|
||||
if ( ++index == size )
|
||||
{
|
||||
writeCommentAfterValueOnSameLine( childValue );
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||||
break;
|
||||
}
|
||||
document_ += ",";
|
||||
writeCommentAfterValueOnSameLine( childValue );
|
||||
}
|
||||
unindent();
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||||
writeWithIndent( "]" );
|
||||
}
|
||||
else // output on a single line
|
||||
{
|
||||
assert( childValues_.size() == size );
|
||||
document_ += "[ ";
|
||||
for ( unsigned index =0; index < size; ++index )
|
||||
{
|
||||
if ( index > 0 )
|
||||
document_ += ", ";
|
||||
document_ += childValues_[index];
|
||||
}
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||||
document_ += " ]";
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
bool
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StyledWriter::isMultineArray( const Value &value )
|
||||
{
|
||||
int size = value.size();
|
||||
bool isMultiLine = size*3 >= rightMargin_ ;
|
||||
childValues_.clear();
|
||||
for ( int index =0; index < size && !isMultiLine; ++index )
|
||||
{
|
||||
const Value &childValue = value[index];
|
||||
isMultiLine = isMultiLine ||
|
||||
( (childValue.isArray() || childValue.isObject()) &&
|
||||
childValue.size() > 0 );
|
||||
}
|
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if ( !isMultiLine ) // check if line length > max line length
|
||||
{
|
||||
childValues_.reserve( size );
|
||||
addChildValues_ = true;
|
||||
int lineLength = 4 + (size-1)*2; // '[ ' + ', '*n + ' ]'
|
||||
for ( int index =0; index < size && !isMultiLine; ++index )
|
||||
{
|
||||
writeValue( value[index] );
|
||||
lineLength += int( childValues_[index].length() );
|
||||
isMultiLine = isMultiLine && hasCommentForValue( value[index] );
|
||||
}
|
||||
addChildValues_ = false;
|
||||
isMultiLine = isMultiLine || lineLength >= rightMargin_;
|
||||
}
|
||||
return isMultiLine;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledWriter::pushValue( const std::string &value )
|
||||
{
|
||||
if ( addChildValues_ )
|
||||
childValues_.push_back( value );
|
||||
else
|
||||
document_ += value;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledWriter::writeIndent()
|
||||
{
|
||||
if ( !document_.empty() )
|
||||
{
|
||||
char last = document_[document_.length()-1];
|
||||
if ( last == ' ' ) // already indented
|
||||
return;
|
||||
if ( last != '\n' ) // Comments may add new-line
|
||||
document_ += '\n';
|
||||
}
|
||||
document_ += indentString_;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledWriter::writeWithIndent( const std::string &value )
|
||||
{
|
||||
writeIndent();
|
||||
document_ += value;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledWriter::indent()
|
||||
{
|
||||
indentString_ += std::string( indentSize_, ' ' );
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledWriter::unindent()
|
||||
{
|
||||
assert( int(indentString_.size()) >= indentSize_ );
|
||||
indentString_.resize( indentString_.size() - indentSize_ );
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledWriter::writeCommentBeforeValue( const Value &root )
|
||||
{
|
||||
if ( !root.hasComment( commentBefore ) )
|
||||
return;
|
||||
document_ += normalizeEOL( root.getComment( commentBefore ) );
|
||||
document_ += "\n";
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledWriter::writeCommentAfterValueOnSameLine( const Value &root )
|
||||
{
|
||||
if ( root.hasComment( commentAfterOnSameLine ) )
|
||||
document_ += " " + normalizeEOL( root.getComment( commentAfterOnSameLine ) );
|
||||
|
||||
if ( root.hasComment( commentAfter ) )
|
||||
{
|
||||
document_ += "\n";
|
||||
document_ += normalizeEOL( root.getComment( commentAfter ) );
|
||||
document_ += "\n";
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
bool
|
||||
StyledWriter::hasCommentForValue( const Value &value )
|
||||
{
|
||||
return value.hasComment( commentBefore )
|
||||
|| value.hasComment( commentAfterOnSameLine )
|
||||
|| value.hasComment( commentAfter );
|
||||
}
|
||||
|
||||
|
||||
std::string
|
||||
StyledWriter::normalizeEOL( const std::string &text )
|
||||
{
|
||||
std::string normalized;
|
||||
normalized.reserve( text.length() );
|
||||
const char *begin = text.c_str();
|
||||
const char *end = begin + text.length();
|
||||
const char *current = begin;
|
||||
while ( current != end )
|
||||
{
|
||||
char c = *current++;
|
||||
if ( c == '\r' ) // mac or dos EOL
|
||||
{
|
||||
if ( *current == '\n' ) // convert dos EOL
|
||||
++current;
|
||||
normalized += '\n';
|
||||
}
|
||||
else // handle unix EOL & other char
|
||||
normalized += c;
|
||||
}
|
||||
return normalized;
|
||||
}
|
||||
|
||||
|
||||
// Class StyledStreamWriter
|
||||
// //////////////////////////////////////////////////////////////////
|
||||
|
||||
StyledStreamWriter::StyledStreamWriter( std::string indentation )
|
||||
: document_(NULL)
|
||||
, rightMargin_( 74 )
|
||||
, indentation_( indentation )
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledStreamWriter::write( std::ostream &out, const Value &root )
|
||||
{
|
||||
document_ = &out;
|
||||
addChildValues_ = false;
|
||||
indentString_ = "";
|
||||
writeCommentBeforeValue( root );
|
||||
writeValue( root );
|
||||
writeCommentAfterValueOnSameLine( root );
|
||||
*document_ << "\n";
|
||||
document_ = NULL; // Forget the stream, for safety.
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledStreamWriter::writeValue( const Value &value )
|
||||
{
|
||||
switch ( value.type() )
|
||||
{
|
||||
case nullValue:
|
||||
pushValue( "null" );
|
||||
break;
|
||||
case intValue:
|
||||
pushValue( valueToString( value.asLargestInt() ) );
|
||||
break;
|
||||
case uintValue:
|
||||
pushValue( valueToString( value.asLargestUInt() ) );
|
||||
break;
|
||||
case realValue:
|
||||
pushValue( valueToString( value.asDouble() ) );
|
||||
break;
|
||||
case stringValue:
|
||||
pushValue( valueToQuotedString( value.asCString() ) );
|
||||
break;
|
||||
case booleanValue:
|
||||
pushValue( valueToString( value.asBool() ) );
|
||||
break;
|
||||
case arrayValue:
|
||||
writeArrayValue( value);
|
||||
break;
|
||||
case objectValue:
|
||||
{
|
||||
Value::Members members( value.getMemberNames() );
|
||||
if ( members.empty() )
|
||||
pushValue( "{}" );
|
||||
else
|
||||
{
|
||||
writeWithIndent( "{" );
|
||||
indent();
|
||||
Value::Members::iterator it = members.begin();
|
||||
for (;;)
|
||||
{
|
||||
const std::string &name = *it;
|
||||
const Value &childValue = value[name];
|
||||
writeCommentBeforeValue( childValue );
|
||||
writeWithIndent( valueToQuotedString( name.c_str() ) );
|
||||
*document_ << " : ";
|
||||
writeValue( childValue );
|
||||
if ( ++it == members.end() )
|
||||
{
|
||||
writeCommentAfterValueOnSameLine( childValue );
|
||||
break;
|
||||
}
|
||||
*document_ << ",";
|
||||
writeCommentAfterValueOnSameLine( childValue );
|
||||
}
|
||||
unindent();
|
||||
writeWithIndent( "}" );
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledStreamWriter::writeArrayValue( const Value &value )
|
||||
{
|
||||
unsigned size = value.size();
|
||||
if ( size == 0 )
|
||||
pushValue( "[]" );
|
||||
else
|
||||
{
|
||||
bool isArrayMultiLine = isMultineArray( value );
|
||||
if ( isArrayMultiLine )
|
||||
{
|
||||
writeWithIndent( "[" );
|
||||
indent();
|
||||
bool hasChildValue = !childValues_.empty();
|
||||
unsigned index =0;
|
||||
for (;;)
|
||||
{
|
||||
const Value &childValue = value[index];
|
||||
writeCommentBeforeValue( childValue );
|
||||
if ( hasChildValue )
|
||||
writeWithIndent( childValues_[index] );
|
||||
else
|
||||
{
|
||||
writeIndent();
|
||||
writeValue( childValue );
|
||||
}
|
||||
if ( ++index == size )
|
||||
{
|
||||
writeCommentAfterValueOnSameLine( childValue );
|
||||
break;
|
||||
}
|
||||
*document_ << ",";
|
||||
writeCommentAfterValueOnSameLine( childValue );
|
||||
}
|
||||
unindent();
|
||||
writeWithIndent( "]" );
|
||||
}
|
||||
else // output on a single line
|
||||
{
|
||||
assert( childValues_.size() == size );
|
||||
*document_ << "[ ";
|
||||
for ( unsigned index =0; index < size; ++index )
|
||||
{
|
||||
if ( index > 0 )
|
||||
*document_ << ", ";
|
||||
*document_ << childValues_[index];
|
||||
}
|
||||
*document_ << " ]";
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
bool
|
||||
StyledStreamWriter::isMultineArray( const Value &value )
|
||||
{
|
||||
int size = value.size();
|
||||
bool isMultiLine = size*3 >= rightMargin_ ;
|
||||
childValues_.clear();
|
||||
for ( int index =0; index < size && !isMultiLine; ++index )
|
||||
{
|
||||
const Value &childValue = value[index];
|
||||
isMultiLine = isMultiLine ||
|
||||
( (childValue.isArray() || childValue.isObject()) &&
|
||||
childValue.size() > 0 );
|
||||
}
|
||||
if ( !isMultiLine ) // check if line length > max line length
|
||||
{
|
||||
childValues_.reserve( size );
|
||||
addChildValues_ = true;
|
||||
int lineLength = 4 + (size-1)*2; // '[ ' + ', '*n + ' ]'
|
||||
for ( int index =0; index < size && !isMultiLine; ++index )
|
||||
{
|
||||
writeValue( value[index] );
|
||||
lineLength += int( childValues_[index].length() );
|
||||
isMultiLine = isMultiLine && hasCommentForValue( value[index] );
|
||||
}
|
||||
addChildValues_ = false;
|
||||
isMultiLine = isMultiLine || lineLength >= rightMargin_;
|
||||
}
|
||||
return isMultiLine;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledStreamWriter::pushValue( const std::string &value )
|
||||
{
|
||||
if ( addChildValues_ )
|
||||
childValues_.push_back( value );
|
||||
else
|
||||
*document_ << value;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledStreamWriter::writeIndent()
|
||||
{
|
||||
/*
|
||||
Some comments in this method would have been nice. ;-)
|
||||
|
||||
if ( !document_.empty() )
|
||||
{
|
||||
char last = document_[document_.length()-1];
|
||||
if ( last == ' ' ) // already indented
|
||||
return;
|
||||
if ( last != '\n' ) // Comments may add new-line
|
||||
*document_ << '\n';
|
||||
}
|
||||
*/
|
||||
*document_ << '\n' << indentString_;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledStreamWriter::writeWithIndent( const std::string &value )
|
||||
{
|
||||
writeIndent();
|
||||
*document_ << value;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledStreamWriter::indent()
|
||||
{
|
||||
indentString_ += indentation_;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledStreamWriter::unindent()
|
||||
{
|
||||
assert( indentString_.size() >= indentation_.size() );
|
||||
indentString_.resize( indentString_.size() - indentation_.size() );
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledStreamWriter::writeCommentBeforeValue( const Value &root )
|
||||
{
|
||||
if ( !root.hasComment( commentBefore ) )
|
||||
return;
|
||||
*document_ << normalizeEOL( root.getComment( commentBefore ) );
|
||||
*document_ << "\n";
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
StyledStreamWriter::writeCommentAfterValueOnSameLine( const Value &root )
|
||||
{
|
||||
if ( root.hasComment( commentAfterOnSameLine ) )
|
||||
*document_ << " " + normalizeEOL( root.getComment( commentAfterOnSameLine ) );
|
||||
|
||||
if ( root.hasComment( commentAfter ) )
|
||||
{
|
||||
*document_ << "\n";
|
||||
*document_ << normalizeEOL( root.getComment( commentAfter ) );
|
||||
*document_ << "\n";
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
bool
|
||||
StyledStreamWriter::hasCommentForValue( const Value &value )
|
||||
{
|
||||
return value.hasComment( commentBefore )
|
||||
|| value.hasComment( commentAfterOnSameLine )
|
||||
|| value.hasComment( commentAfter );
|
||||
}
|
||||
|
||||
|
||||
std::string
|
||||
StyledStreamWriter::normalizeEOL( const std::string &text )
|
||||
{
|
||||
std::string normalized;
|
||||
normalized.reserve( text.length() );
|
||||
const char *begin = text.c_str();
|
||||
const char *end = begin + text.length();
|
||||
const char *current = begin;
|
||||
while ( current != end )
|
||||
{
|
||||
char c = *current++;
|
||||
if ( c == '\r' ) // mac or dos EOL
|
||||
{
|
||||
if ( *current == '\n' ) // convert dos EOL
|
||||
++current;
|
||||
normalized += '\n';
|
||||
}
|
||||
else // handle unix EOL & other char
|
||||
normalized += c;
|
||||
}
|
||||
return normalized;
|
||||
}
|
||||
|
||||
|
||||
std::ostream& operator<<( std::ostream &sout, const Value &root )
|
||||
{
|
||||
Json::StyledStreamWriter writer;
|
||||
writer.write(sout, root);
|
||||
return sout;
|
||||
}
|
||||
|
||||
|
||||
} // namespace Json
|
||||
Reference in New Issue
Block a user