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authorRafael G. Martins <rafael@rafaelmartins.eng.br>2016-09-03 19:57:54 +0200
committerRafael G. Martins <rafael@rafaelmartins.eng.br>2016-09-03 20:28:55 +0200
commit74ca21a41bcb5a49d19e65c9ba88f1f864cb7095 (patch)
tree4774587e47abc0ff20453abbf714b63c36697f26 /src/source-parser.c
parent30ae5fd4f65f48009e6956e42ccc2c9d9ad80901 (diff)
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*: big code reorganization.
- source and tests are now splitted by target - utils lib is now called common still pending move error.c from blogc to common
Diffstat (limited to 'src/source-parser.c')
-rw-r--r--src/source-parser.c218
1 files changed, 0 insertions, 218 deletions
diff --git a/src/source-parser.c b/src/source-parser.c
deleted file mode 100644
index 5d29213..0000000
--- a/src/source-parser.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * blogc: A blog compiler.
- * Copyright (C) 2015-2016 Rafael G. Martins <rafael@rafaelmartins.eng.br>
- *
- * This program can be distributed under the terms of the BSD License.
- * See the file LICENSE.
- */
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "content-parser.h"
-#include "source-parser.h"
-#include "error.h"
-#include "utils.h"
-
-
-typedef enum {
- SOURCE_START = 1,
- SOURCE_CONFIG_KEY,
- SOURCE_CONFIG_VALUE_START,
- SOURCE_CONFIG_VALUE,
- SOURCE_SEPARATOR,
- SOURCE_CONTENT_START,
- SOURCE_CONTENT,
-} blogc_source_parser_state_t;
-
-
-sb_trie_t*
-blogc_source_parse(const char *src, size_t src_len, blogc_error_t **err)
-{
- if (err == NULL || *err != NULL)
- return NULL;
-
- size_t current = 0;
- size_t start = 0;
- size_t end_excerpt = 0;
-
- char *key = NULL;
- char *tmp = NULL;
- char *content = NULL;
- sb_trie_t *rv = sb_trie_new(free);
-
- blogc_source_parser_state_t state = SOURCE_START;
-
- while (current < src_len) {
- char c = src[current];
-
- switch (state) {
-
- case SOURCE_START:
- if (c == ' ' || c == '\t' || c == '\n' || c == '\r')
- break;
- if (c >= 'A' && c <= 'Z') {
- state = SOURCE_CONFIG_KEY;
- start = current;
- break;
- }
- if (c == '-') {
- state = SOURCE_SEPARATOR;
- break;
- }
- *err = blogc_error_parser(BLOGC_ERROR_SOURCE_PARSER, src, src_len,
- current,
- "Can't find a configuration key or the content separator.");
- break;
-
- case SOURCE_CONFIG_KEY:
- if ((c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_')
- break;
- if (c == ':') {
- key = sb_strndup(src + start, current - start);
- if (((current - start == 8) &&
- (0 == strncmp("FILENAME", src + start, 8))) ||
- ((current - start == 7) &&
- (0 == strncmp("CONTENT", src + start, 7))) ||
- ((current - start == 14) &&
- (0 == strncmp("DATE_FORMATTED", src + start, 14))) ||
- ((current - start == 20) &&
- (0 == strncmp("DATE_FIRST_FORMATTED", src + start, 20))) ||
- ((current - start == 19) &&
- (0 == strncmp("DATE_LAST_FORMATTED", src + start, 19))) ||
- ((current - start == 10) &&
- (0 == strncmp("PAGE_FIRST", src + start, 10))) ||
- ((current - start == 13) &&
- (0 == strncmp("PAGE_PREVIOUS", src + start, 13))) ||
- ((current - start == 12) &&
- (0 == strncmp("PAGE_CURRENT", src + start, 12))) ||
- ((current - start == 9) &&
- (0 == strncmp("PAGE_NEXT", src + start, 9))) ||
- ((current - start == 9) &&
- (0 == strncmp("PAGE_LAST", src + start, 9))) ||
- ((current - start == 13) &&
- (0 == strncmp("BLOGC_VERSION", src + start, 13))))
- {
- *err = blogc_error_new_printf(BLOGC_ERROR_SOURCE_PARSER,
- "'%s' variable is forbidden in source files. It will "
- "be set for you by the compiler.", key);
- break;
- }
- state = SOURCE_CONFIG_VALUE_START;
- break;
- }
- *err = blogc_error_parser(BLOGC_ERROR_SOURCE_PARSER, src, src_len,
- current, "Invalid configuration key.");
- break;
-
- case SOURCE_CONFIG_VALUE_START:
- if (c != '\n' && c != '\r') {
- state = SOURCE_CONFIG_VALUE;
- start = current;
- break;
- }
- *err = blogc_error_parser(BLOGC_ERROR_SOURCE_PARSER, src, src_len,
- current, "Configuration value not provided for '%s'.",
- key);
- break;
-
- case SOURCE_CONFIG_VALUE:
- if (c == '\n' || c == '\r') {
- tmp = sb_strndup(src + start, current - start);
- sb_trie_insert(rv, key, sb_strdup(sb_str_strip(tmp)));
- free(tmp);
- free(key);
- key = NULL;
- state = SOURCE_START;
- }
- break;
-
- case SOURCE_SEPARATOR:
- if (c == '-')
- break;
- if (c == '\n' || c == '\r') {
- state = SOURCE_CONTENT_START;
- break;
- }
- *err = blogc_error_parser(BLOGC_ERROR_SOURCE_PARSER, src, src_len,
- current,
- "Invalid content separator. Must be more than one '-' characters.");
- break;
-
- case SOURCE_CONTENT_START:
- if (c == '\n' || c == '\r')
- break;
- start = current;
- state = SOURCE_CONTENT;
- break;
-
- case SOURCE_CONTENT:
- if (current == (src_len - 1)) {
- tmp = sb_strndup(src + start, src_len - start);
- sb_trie_insert(rv, "RAW_CONTENT", tmp);
- char *description = NULL;
- content = blogc_content_parse(tmp, &end_excerpt, &description);
- if (description != NULL) {
- // do not override source-provided description.
- if (NULL == sb_trie_lookup(rv, "DESCRIPTION")) {
- // no need to free, because we are transfering memory
- // ownership to the trie.
- sb_trie_insert(rv, "DESCRIPTION", description);
- }
- else {
- free(description);
- }
- }
- sb_trie_insert(rv, "CONTENT", content);
- sb_trie_insert(rv, "EXCERPT", end_excerpt == 0 ?
- sb_strdup(content) : sb_strndup(content, end_excerpt));
- }
- break;
- }
-
- if (*err != NULL)
- break;
-
- current++;
- }
-
- if (*err == NULL && sb_trie_size(rv) == 0) {
-
- // ok, nothing found in the config trie, but no error set either.
- // let's try to be nice with the users and provide some reasonable
- // output. :)
- switch (state) {
- case SOURCE_START:
- *err = blogc_error_parser(BLOGC_ERROR_SOURCE_PARSER, src, src_len,
- current, "Your source file is empty.");
- break;
- case SOURCE_CONFIG_KEY:
- *err = blogc_error_parser(BLOGC_ERROR_SOURCE_PARSER, src, src_len,
- current, "Your last configuration key is missing ':' and "
- "the value");
- break;
- case SOURCE_CONFIG_VALUE_START:
- *err = blogc_error_parser(BLOGC_ERROR_SOURCE_PARSER, src, src_len,
- current, "Configuration value not provided for '%s'.",
- key);
- break;
- case SOURCE_CONFIG_VALUE:
- *err = blogc_error_parser(BLOGC_ERROR_SOURCE_PARSER, src, src_len,
- current, "No line ending after the configuration value for "
- "'%s'.", key);
- break;
- case SOURCE_SEPARATOR:
- case SOURCE_CONTENT_START:
- case SOURCE_CONTENT:
- break; // won't happen, and if even happen, shouldn't be fatal
- }
- }
-
- if (*err != NULL) {
- free(key);
- sb_trie_free(rv);
- return NULL;
- }
-
- return rv;
-}