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restore json pretty print

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This commit is contained in:
Daniel Larimer 2013-06-06 23:42:20 -04:00
parent 1f3e6739c6
commit a4a00717ef
1 changed files with 86 additions and 1 deletions
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87
src/io/json.cpp
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@ -443,9 +443,94 @@ namespace fc
return ss.str(); return ss.str();
} }
fc::string pretty_print( const fc::string& v, uint8_t indent ) {
int level = 0;
fc::stringstream ss;
bool first = false;
bool quote = false;
bool escape = false;
for( uint32_t i = 0; i < v.size(); ++i ) {
switch( v[i] ) {
case '\\':
if( !escape ) {
if( quote )
escape = true;
} else { escape = false; }
ss<<v[i];
break;
case ':':
if( !quote ) {
ss<<": ";
} else {
ss<<':';
}
break;
case '"':
if( first ) {
ss<<'\n';
for( int i = 0; i < level*indent; ++i ) ss<<' ';
first = false;
}
if( !escape ) {
quote = !quote;
}
escape = false;
ss<<'"';
break;
case '{':
case '[':
ss<<v[i];
if( !quote ) {
++level;
first = true;
}else {
escape = false;
}
break;
case '}':
case ']':
if( !quote ) {
if( v[i-1] != '[' && v[i-1] != '{' ) {
ss<<'\n';
}
--level;
if( !first ) {
for( int i = 0; i < level*indent; ++i ) ss<<' ';
}
ss<<v[i];
break;
} else {
escape = false;
ss<<v[i];
}
break;
case ',':
if( !quote ) {
ss<<',';
first = true;
} else {
escape = false;
ss<<',';
}
break;
default:
if( first ) {
ss<<'\n';
for( int i = 0; i < level*indent; ++i ) ss<<' ';
first = false;
}
ss << v[i];
}
}
return ss.str();
}
fc::string json::to_pretty_string( const variant& v ) fc::string json::to_pretty_string( const variant& v )
{ {
return to_string(v); return pretty_print(to_string(v), 2);
} }
void json::save_to_file( const variant& v, const string& fi, bool pretty ) void json::save_to_file( const variant& v, const string& fi, bool pretty )