Re: [libvirt] [PATCH] util: json: Remove yajl bits from virJSONValueToStr

Rather than depending on yajl bits for creating the JSON structure replace it by few virBuffer bits. This will make the JSON formatter libary agnostic.

+static void +virJSONValueToStringAddString(virBufferPtr buf, + virJSONValuePtr string) +{ + const char *t; + + virBufferAddLit(buf, "\""); + + for (t = string->data.string; *t; t++) { + switch (*t) { + case '"': + virBufferAddLit(buf, "\\\""); + break; + case '\\': + virBufferAddLit(buf, "\\\\"); + break; + case '\n': + virBufferAddLit(buf, "\\n"); + break; + case '\t': + virBufferAddLit(buf, "\\t"); + break;

+ default: + virBufferAdd(buf, t, 1); + break; + } + } + + virBufferAddLit(buf, "\""); +} + + +#define VIR_JSON_PRETTY_NEWLINE \ + if (pretty) \ + virBufferAddLit(buf, "\n") static int virJSONValueToStringOne(virJSONValuePtr object, - yajl_gen g) + virBufferPtr buf, + bool pretty) { size_t i; - VIR_DEBUG("object=%p type=%d gen=%p", object, object->type, g); - - switch (object->type) { + switch ((virJSONType) object->type) { case VIR_JSON_TYPE_OBJECT: - if (yajl_gen_map_open(g) != yajl_gen_status_ok) - return -1; + virBufferAddLit(buf, "{"); + VIR_JSON_PRETTY_NEWLINE; + virBufferAdjustIndent(buf, 2); + for (i = 0; i < object->data.object.npairs; i++) { - if (yajl_gen_string(g, - (unsigned char *)object->data.object.pairs[i].key, - strlen(object->data.object.pairs[i].key)) - != yajl_gen_status_ok) - return -1; - if (virJSONValueToStringOne(object->data.object.pairs[i].value, g) < 0) + virBufferStrcat(buf, "\"", object->data.object.pairs[i].key, "\":", NULL);

+ + if (pretty) + virBufferAddLit(buf, " "); + + if (virJSONValueToStringOne(object->data.object.pairs[i].value, + buf, pretty) < 0) return -1; + + if (i != object->data.object.npairs - 1) { + virBufferAddLit(buf, ","); + VIR_JSON_PRETTY_NEWLINE; + } } - if (yajl_gen_map_close(g) != yajl_gen_status_ok) - return -1; + + virBufferAdjustIndent(buf, -2); + VIR_JSON_PRETTY_NEWLINE; + virBufferAddLit(buf, "}"); break; + case VIR_JSON_TYPE_ARRAY: - if (yajl_gen_array_open(g) != yajl_gen_status_ok) - return -1; + virBufferAddLit(buf, "["); + VIR_JSON_PRETTY_NEWLINE; + virBufferAdjustIndent(buf, 2); + for (i = 0; i < object->data.array.nvalues; i++) { - if (virJSONValueToStringOne(object->data.array.values[i], g) < 0) + if (virJSONValueToStringOne(object->data.array.values[i], buf, pretty) < 0) return -1; + + if (i != object->data.array.nvalues - 1) { + virBufferAddLit(buf, ","); + VIR_JSON_PRETTY_NEWLINE; + } } - if (yajl_gen_array_close(g) != yajl_gen_status_ok) - return -1; + + virBufferAdjustIndent(buf, -2); + VIR_JSON_PRETTY_NEWLINE; + virBufferAddLit(buf, "]"); break; case VIR_JSON_TYPE_STRING: - if (yajl_gen_string(g, (unsigned char *)object->data.string, - strlen(object->data.string)) != yajl_gen_status_ok) - return -1; + virJSONValueToStringAddString(buf, object); break; case VIR_JSON_TYPE_NUMBER: - if (yajl_gen_number(g, object->data.number, - strlen(object->data.number)) != yajl_gen_status_ok) - return -1; + virBufferAdd(buf, object->data.number, -1); break; case VIR_JSON_TYPE_BOOLEAN: - if (yajl_gen_bool(g, object->data.boolean) != yajl_gen_status_ok) - return -1; + if (object->data.boolean) + virBufferAddLit(buf, "true"); + else + virBufferAddLit(buf, "false"); break; case VIR_JSON_TYPE_NULL: - if (yajl_gen_null(g) != yajl_gen_status_ok) - return -1; + virBufferAddLit(buf, "null"); break; default: + virReportEnumRangeError(virJSONType, object->type); return -1; } return 0; }