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return mbuf_write(dst, buf, 5); |
} |
return mbuf_write_byte(dst, ec); |
} |
static bool render_string(struct RenderState *rs, struct JsonValue *jv) |
{ |
const char *s, *last; |
const char *val = get_cstring(jv); |
size_t len = jv->u.v_size; |
const char *end = val + len; |
unsigned int c; |
/* start quote */ |
if (!mbuf_write_byte(rs->dst, '""')) |
return false; |
for (s = last = val; s < end; s++) { |
if (*s == '""' || *s == '\\' || (unsigned char)*s < 0x20 || |
/* Valid in JSON, but not in JS: |
\u2028 - Line separator |
\u2029 - Paragraph separator */ |
((unsigned char)s[0] == 0xE2 && (unsigned char)s[1] == 0x80 && |
((unsigned char)s[2] == 0xA8 || (unsigned char)s[2] == 0xA9))) |
{ |
/* flush */ |
if (last < s) { |
if (!mbuf_write(rs->dst, last, s - last)) |
return false; |
} |
if ((unsigned char)s[0] == 0xE2) { |
c = 0x2028 + ((unsigned char)s[2] - 0xA8); |
last = s + 3; |
} else { |
c = (unsigned char)*s; |
last = s + 1; |
} |
/* output escaped char */ |
if (!escape_char(rs->dst, c)) |
return false; |
} |
} |
/* flush */ |
if (last < s) { |
if (!mbuf_write(rs->dst, last, s - last)) |
return false; |
} |
/* final quote */ |
if (!mbuf_write_byte(rs->dst, '""')) |
return false; |
return true; |
} |
/* |
* Render complex values |
*/ |
struct ElemWriterState { |
struct RenderState *rs; |
char sep; |
}; |
static bool list_elem_writer(void *arg, struct JsonValue *elem) |
{ |
struct ElemWriterState *state = arg; |
if (state->sep && !mbuf_write_byte(state->rs->dst, state->sep)) |
return false; |
state->sep = ','; |
return render_any(state->rs, elem); |
} |
static bool render_list(struct RenderState *rs, struct JsonValue *list) |
{ |
struct ElemWriterState state; |
state.rs = rs; |
state.sep = 0; |
if (!mbuf_write_byte(rs->dst, '[')) |
return false; |
if (!json_list_iter(list, list_elem_writer, &state)) |
return false; |
if (!mbuf_write_byte(rs->dst, ']')) |
return false; |
return true; |
} |
static bool dict_elem_writer(void *ctx, struct JsonValue *key, struct JsonValue *val) |
{ |
struct ElemWriterState *state = ctx; |
if (state->sep && !mbuf_write_byte(state->rs->dst, state->sep)) |
return false; |