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#include "json_parse.h"
#include <string>
#include <iostream>
using namespace std;
static const char *json_hex_chars = "0123456789abcdef";
void JSONParser::WriteEscapedString(const string& in, ostream* out) {
int pos = 0;
int start_offset = 0;
unsigned char c = 0;
(*out) << '"';
while(pos < in.size()) {
c = in[pos];
switch(c) {
case '\b':
case '\n':
case '\r':
case '\t':
case '"':
case '\\':
case '/':
if(pos - start_offset > 0)
(*out) << in.substr(start_offset, pos - start_offset);
if(c == '\b') (*out) << "\\b";
else if(c == '\n') (*out) << "\\n";
else if(c == '\r') (*out) << "\\r";
else if(c == '\t') (*out) << "\\t";
else if(c == '"') (*out) << "\\\"";
else if(c == '\\') (*out) << "\\\\";
else if(c == '/') (*out) << "\\/";
start_offset = ++pos;
break;
default:
if(c < ' ') {
cerr << "Warning, bad character (" << static_cast<int>(c) << ") in string\n";
if(pos - start_offset > 0)
(*out) << in.substr(start_offset, pos - start_offset);
(*out) << "\\u00" << json_hex_chars[c >> 4] << json_hex_chars[c & 0xf];
start_offset = ++pos;
} else pos++;
}
}
if(pos - start_offset > 0)
(*out) << in.substr(start_offset, pos - start_offset);
(*out) << '"';
}
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