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continue; |
MAPSTATE(state, T_COMMA); |
break; |
case '/': |
if (relaxed && skip_comment(ctx, &src, end)) |
continue; |
/* fallthrough */ |
default: |
return err_false(ctx, ""Invalid symbol: '%c'"", c); |
} |
} |
if (state != S_DONE) |
return err_false(ctx, ""Container still open""); |
return true; |
failed: |
return false; |
} |
/* parser public api */ |
struct JsonValue *json_parse(struct JsonContext *ctx, const char *json, size_t len) |
{ |
const char *end = json + len; |
/* reset parser */ |
ctx->linenr = 1; |
ctx->parent = NULL; |
ctx->cur_key = NULL; |
ctx->lasterr = NULL; |
ctx->top = NULL; |
if (!parse_tokens(ctx, json, end)) |
return NULL; |
return ctx->top; |
} |
/* |
* Render value as JSON string. |
*/ |
static bool render_null(struct RenderState *rs, struct JsonValue *jv) |
{ |
return mbuf_write(rs->dst, ""null"", 4); |
} |
static bool render_bool(struct RenderState *rs, struct JsonValue *jv) |
{ |
if (jv->u.v_bool) |
return mbuf_write(rs->dst, ""true"", 4); |
return mbuf_write(rs->dst, ""false"", 5); |
} |
static bool render_int(struct RenderState *rs, struct JsonValue *jv) |
{ |
char buf[NUMBER_BUF]; |
int len; |
len = snprintf(buf, sizeof(buf), ""%"" PRIi64, jv->u.v_int); |
if (len < 0 || len >= NUMBER_BUF) |
return false; |
return mbuf_write(rs->dst, buf, len); |
} |
static bool render_float(struct RenderState *rs, struct JsonValue *jv) |
{ |
char buf[NUMBER_BUF + 2]; |
int len; |
len = dtostr_dot(buf, NUMBER_BUF, jv->u.v_float); |
if (len < 0 || len >= NUMBER_BUF) |
return false; |
if (!memchr(buf, '.', len) && !memchr(buf, 'e', len)) { |
buf[len++] = '.'; |
buf[len++] = '0'; |
} |
return mbuf_write(rs->dst, buf, len); |
} |
static bool escape_char(struct MBuf *dst, unsigned int c) |
{ |
char ec; |
char buf[10]; |
/* start escape */ |
if (!mbuf_write_byte(dst, '\\')) |
return false; |
/* escape same char */ |
if (c == '""' || c == '\\') |
return mbuf_write_byte(dst, c); |
/* low-ascii mess */ |
switch (c) { |
case '\b': ec = 'b'; break; |
case '\f': ec = 'f'; break; |
case '\n': ec = 'n'; break; |
case '\r': ec = 'r'; break; |
case '\t': ec = 't'; break; |
default: |
snprintf(buf, sizeof(buf), ""u%04x"", c); |