Function parse_string

tinyemu/json.c:40–94

#include "fs_utils.h"

static JSONValue parse_string(const char **pp)
{
    char buf[4096], *q;
    const char *p;
    int c, h;
    
    q = buf;
    p = *pp;
    p++;
    for(;;) {
        c = *p++;
        if (c == '\0' || c == '\n') {
            return json_error_new("unterminated string");
        } else if (c == '\"') {
            break;
            } else if (c == '\\') {
                c = *p++;
                switch(c) {
                case '\'':
                case '\"':
                case '\\':
                    goto add_char;
                case 'n':
                    c = '\n';
                    goto add_char;
                case 'r':
                    c = '\r';
                    goto add_char;
                case 't':
                    c = '\t';
                    goto add_char;
                case 'x':
                    h = from_hex(*p++);
                    if (h < 0)
                        return json_error_new("invalig hex digit");
                    c = h << 4;
                    h = from_hex(*p++);
                    if (h < 0)
                        return json_error_new("invalig hex digit");
                    c |= h;
                    goto add_char;
                default:
                    return json_error_new("unknown escape code");
                }
            } else {
            add_char:
            if (q >= buf + sizeof(buf) - 1)
                return json_error_new("string too long");
            *q++ = c;
        }
    }
    *q = '\0';
    *pp = p;
    return json_string_new(buf);
}

static JSONProperty *json_object_get2(JSONObject *obj, const char *name)
{