X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=blobdiff_plain;f=blobmsg.c;h=15dc75004d647cdbdef0b851f6059120faae3daf;hp=ed7a880ef7c36179d6888e175a133345b5985327;hb=3041e8ce9b128480317b91eb97fe64914d975a59;hpb=29598e3dc850c2edf721704bf00f6a825077ff6e diff --git a/blobmsg.c b/blobmsg.c index ed7a880..15dc750 100644 --- a/blobmsg.c +++ b/blobmsg.c @@ -15,166 +15,6 @@ #include "blobmsg.h" -struct strbuf { - int len; - int pos; - char *buf; -}; - -static bool blobmsg_puts(struct strbuf *s, const char *c, int len) -{ - if (len <= 0) - return true; - - if (s->pos + len >= s->len) { - s->len += 16; - s->buf = realloc(s->buf, s->len); - if (!s->buf) - return false; - } - memcpy(s->buf + s->pos, c, len); - s->pos += len; - return true; -} - -static void blobmsg_format_string(struct strbuf *s, const char *str) -{ - const char *p, *last = str, *end = str + strlen(str); - char buf[8] = "\\u00"; - - blobmsg_puts(s, "\"", 1); - for (p = str; *p; p++) { - char escape = '\0'; - int len; - - switch(*p) { - case '\b': - escape = 'b'; - break; - case '\n': - escape = 'n'; - break; - case '\t': - escape = 't'; - break; - case '\r': - escape = 'r'; - break; - case '"': - case '\\': - case '/': - escape = *p; - break; - default: - if (*p < ' ') - escape = 'u'; - break; - } - - if (!escape) - continue; - - if (p > last) - blobmsg_puts(s, last, p - last); - last = p + 1; - buf[1] = escape; - - if (escape == 'u') { - sprintf(buf + 4, "%02x", (unsigned char) *p); - len = 4; - } else { - len = 2; - } - blobmsg_puts(s, buf, len); - } - - blobmsg_puts(s, last, end - last); - blobmsg_puts(s, "\"", 1); -} - -static void blobmsg_format_json_list(struct strbuf *s, struct blob_attr *attr, int len, bool array); - -static void blobmsg_format_element(struct strbuf *s, struct blob_attr *attr, bool array, bool head) -{ - char buf[32]; - void *data; - int len; - - if (!array && blobmsg_name(attr)[0]) { - blobmsg_format_string(s, blobmsg_name(attr)); - blobmsg_puts(s, ":", 1); - } - if (head) { - data = blob_data(attr); - len = blob_len(attr); - } else { - data = blobmsg_data(attr); - len = blobmsg_data_len(attr); - } - - switch(blob_id(attr)) { - case BLOBMSG_TYPE_INT8: - sprintf(buf, "%d", *(uint8_t *)data); - break; - case BLOBMSG_TYPE_INT16: - sprintf(buf, "%d", *(uint16_t *)data); - break; - case BLOBMSG_TYPE_INT32: - sprintf(buf, "%d", *(uint32_t *)data); - break; - case BLOBMSG_TYPE_INT64: - sprintf(buf, "%lld", *(uint64_t *)data); - break; - case BLOBMSG_TYPE_STRING: - blobmsg_format_string(s, data); - return; - case BLOBMSG_TYPE_ARRAY: - blobmsg_format_json_list(s, data, len, true); - return; - case BLOBMSG_TYPE_TABLE: - blobmsg_format_json_list(s, data, len, false); - return; - } - blobmsg_puts(s, buf, strlen(buf)); -} - -static void blobmsg_format_json_list(struct strbuf *s, struct blob_attr *attr, int len, bool array) -{ - struct blob_attr *pos; - bool first = true; - int rem = len; - - blobmsg_puts(s, (array ? "[ " : "{ "), 2); - __blob_for_each_attr(pos, attr, rem) { - if (!first) - blobmsg_puts(s, ", ", 2); - - blobmsg_format_element(s, pos, array, false); - first = false; - } - blobmsg_puts(s, (array ? " ]" : " }"), 2); -} - -char *blobmsg_format_json(struct blob_attr *attr, bool list) -{ - struct strbuf s; - - s.len = blob_len(attr); - s.buf = malloc(s.len); - s.pos = 0; - - if (list) - blobmsg_format_json_list(&s, blob_data(attr), blob_len(attr), false); - else - blobmsg_format_element(&s, attr, false, false); - - if (!s.len) - return NULL; - - s.buf = realloc(s.buf, s.pos + 1); - return s.buf; -} - static const int blob_type[__BLOBMSG_TYPE_LAST] = { [BLOBMSG_TYPE_INT8] = BLOB_ATTR_INT8, [BLOBMSG_TYPE_INT16] = BLOB_ATTR_INT16, @@ -321,7 +161,7 @@ blobmsg_alloc_string_buffer(struct blob_buf *buf, const char *name, int maxlen) return NULL; data_dest = blobmsg_data(attr); - blob_set_raw_len(buf->head, blob_pad_len(buf->head) - blob_raw_len(attr)); + blob_set_raw_len(buf->head, blob_pad_len(buf->head) - blob_pad_len(attr)); blob_set_raw_len(attr, blob_raw_len(attr) - maxlen); return data_dest; @@ -338,7 +178,7 @@ blobmsg_add_string_buffer(struct blob_buf *buf) attrlen = blob_raw_len(attr) + len; blob_set_raw_len(attr, attrlen); - blob_set_raw_len(buf->head, blob_raw_len(buf->head) + attrlen); + blob_set_raw_len(buf->head, blob_raw_len(buf->head) + blob_pad_len(attr)); } int @@ -348,10 +188,6 @@ blobmsg_add_field(struct blob_buf *buf, int type, const char *name, struct blob_attr *attr; void *data_dest; - if (type == BLOBMSG_TYPE_ARRAY || - type == BLOBMSG_TYPE_TABLE) - return -1; - attr = blobmsg_new(buf, type, name, len, &data_dest); if (!attr) return -1;