Added function to wrap up article content with html template, process_md can detect headings, quotes, strips, highlinghts and lists
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75988e5cc6
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06ff0761fc
@ -30,13 +30,22 @@ char *trim(char *str)
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return str;
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}
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size_t get_file_size(FILE *file)
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{
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fseek(file, 0L, SEEK_END);
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size_t size = ftell(file);
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fseek(file, 0L, SEEK_SET);
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return size;
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}
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int list_articles(article_info **articles)
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{
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// FILE *file = fopen("./static/articles_list.db", "r");
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FILE *file = fopen("./test.db", "r");
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FILE *file = fopen("./test_.db", "r");
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if (file == NULL)
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{
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perror("Couldn't open file");
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perror("Couldn't open db file");
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return -1;
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}
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@ -101,7 +110,7 @@ long get_article_contents(article_info *article)
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}
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// snprintf(NULL, 0, "./static/articles/%s/%s.md", article->title, article->title);
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int line_length = snprintf(NULL, 0, "./articles/%s/%s.md", article->title, article->title) + 1;
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int line_length = snprintf(NULL, 0, "./test_articles/%s/%s.md", name, name) + 1;
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char *path = malloc(line_length);
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if (path == NULL)
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{
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@ -110,32 +119,254 @@ long get_article_contents(article_info *article)
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}
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// snprintf(path, line_length, "./static/articles/%s/%s.md", article->title, article->title);
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snprintf(path, line_length, "./articles/%s/%s.md", article->title, article->title);
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snprintf(path, line_length, "./test_articles/%s/%s.md", name, name);
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FILE *file = fopen(path, "r");
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if (file == NULL)
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{
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perror("Couldn't open file");
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perror("Couldn't open article file");
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article->content = "404";
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return -1;
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}
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fseek(file, 0L, SEEK_END);
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article->length = ftell(file);
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rewind(file);
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article->length = get_file_size(file);
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article->content = malloc(article->length + 1);
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for (int i = 0; i < article->length; i++)
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{
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article->content[i] = fgetc(file);
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}
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article->content[article->length] = '\0';
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return article->length;
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}
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int process_md(article_info article, char **out)
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{
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*out = malloc(0);
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char *tmp = strdup(article.content);
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char *buff = strtok(tmp, "\n");
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printf("%s\n", *out);
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int is_in_list = 0;
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while (buff != NULL)
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{
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if (strcmp(buff, "***") == 0)
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{
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char *tmp_out = realloc(*out, strlen(*out) + strlen("<hr>\n") + 1);
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if (tmp_out == NULL)
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{
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perror("Couldn't allocate memory for new element");
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continue;
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}
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*out = tmp_out;
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strcat(*out, "<hr>\n");
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continue;
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}
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if ((buff[0] == '*' && buff[1] == ' ') || (buff[0] == '-' && buff[1] == ' ') || (buff[0] == '+' && buff[1] == ' '))
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{
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char *begining = "";
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if (!is_in_list)
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{
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char *begining = "<ul>\n";
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is_in_list = 1;
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}
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memmove(buff, buff + 2, strlen(buff) - 1);
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size_t append_line_length = snprintf(NULL, 0, "%s<li>%s</li>\n", begining, buff) + 1;
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char *append = malloc(append_line_length);
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char *tmp_out = realloc(*out, strlen(*out) + append_line_length);
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if (append == NULL || tmp_out == NULL)
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{
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perror("Couldn't allocate memory for new element");
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continue;
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}
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*out = tmp_out;
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snprintf(append, append_line_length, "%s<li>%s</li>\n", begining, buff);
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strcat(*out, append);
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free(append);
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}
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else
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{
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if (is_in_list)
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{
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char *tmp_out = realloc(*out, strlen(*out) + strlen("</ul>\n") + 1);
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if (tmp_out == NULL)
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{
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perror("Couldn't allocate memory for new element");
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continue;
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}
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*out = tmp_out;
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strcat(*out, "</ul>\n");
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}
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if (buff[0] == '#')
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{
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int n = 1;
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while (buff[n] == '#')
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n++;
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memmove(buff, buff + n + 1, strlen(buff) - (n + 1) + 1); // n + 1 is to remove space after #
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size_t append_line_length = snprintf(NULL, 0, "<h%d>%s</h%d>\n", n, buff, n) + 1;
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char *append = malloc(append_line_length);
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char *tmp_out = realloc(*out, strlen(*out) + append_line_length);
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if (append == NULL || tmp_out == NULL)
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{
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perror("Couldn't allocate memory for new element");
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continue;
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}
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*out = tmp_out;
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snprintf(append, append_line_length, "<h%d>%s</h%d>\n", n, buff, n);
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strcat(*out, append);
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free(append);
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}
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else if (buff[0] == '>')
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{
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memmove(buff, buff + 2, strlen(buff) - 1);
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size_t append_line_length = snprintf(NULL, 0, "<blockquote>%s</blockquote>\n", buff) + 1;
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char *append = malloc(append_line_length);
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char *tmp_out = realloc(*out, strlen(*out) + append_line_length);
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if (append == NULL || tmp_out == NULL)
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{
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perror("Couldn't allocate memory for new element");
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continue;
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}
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*out = tmp_out;
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snprintf(append, append_line_length, "<blockquote>%s</blockquote>\n", buff);
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strcat(*out, append);
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free(append);
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}
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else
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{
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for (int i = 0; i < strlen(buff); i++)
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{
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if (buff[i] == '*' && buff[i - 1] != '\\' && buff[i + 1] != ' ')
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{
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int n = 1;
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while (buff[n] == '*')
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n++;
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char *tag = "";
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if (n == 1)
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tag = "i";
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else if (n == 2)
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tag = "b";
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else if (n == 2)
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tag = "mark";
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int j = 0;
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while (buff[i + j + n] != '*' && buff[i + j + n - 1] != '\\')
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j++;
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char *internal = malloc(j + 1);
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memcpy(internal, buff + i + n, j);
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internal[j] = '\0';
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size_t append_line_length = snprintf(NULL, 0, "<%s>%s</%s>", tag, internal, tag) + 1;
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char *append = malloc(append_line_length);
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char *tmp_out = realloc(*out, strlen(*out) + append_line_length);
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if (append == NULL || tmp_out == NULL)
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{
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perror("Couldn't allocate memory for new element");
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continue;
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}
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*out = tmp_out;
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snprintf(append, append_line_length, "<%s>%s</%s>", tag, internal, tag);
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strcat(*out, append);
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i += n * 2 + j;
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free(append);
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free(internal);
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}
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else
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{
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size_t len = strlen(*out);
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char *tmp_out = realloc(*out, len + 2);
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if (tmp_out == NULL)
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{
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perror("Couldn't allocate more memory to porcess Markdown");
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return -1;
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}
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*out = tmp_out;
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(*out)[len] = buff[i];
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(*out)[len + 1] = '\0';
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}
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}
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}
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}
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size_t len = strlen(*out);
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if ((*out)[len - 1] != '\n')
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{
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char *tmp_out = realloc(*out, len + 2);
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if (tmp_out == NULL)
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{
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perror("Couldn't allocate more memory to porcess Markdown");
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return -1;
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}
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*out = tmp_out;
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(*out)[len] = '\n';
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(*out)[len + 1] = '\0';
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}
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buff = strtok(NULL, "\n");
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}
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// printf("--%s--\n", *out);
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return strlen(*out);
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}
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int gen_html_article(article_info article, char **out)
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{
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// FILE *template = fopen("./static/article.html", "r");
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FILE *template = fopen("./test_article.html", "r");
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if (template == NULL)
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{
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perror("Couldn't open article template");
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*out = "500";
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return -1;
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}
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size_t template_size = get_file_size(template);
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char *template_str = malloc(template_size + 1);
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for (int i = 0; i < template_size; i++)
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template_str[i] = fgetc(template);
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template_str[template_size] = '\0';
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*out = malloc(template_size + article.length + 1);
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char *content;
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process_md(article, &content);
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int line_length = snprintf(NULL, 0, template_str, article.title, content) + 1;
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*out = malloc(line_length);
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if (*out == NULL)
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{
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*out = "500";
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return -1;
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}
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snprintf(*out, line_length, template_str, article.title, content);
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return line_length;
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}
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/* Only for testing purposes */
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int main()
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{
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@ -146,7 +377,14 @@ int main()
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printf("Read %d lines\n", n);
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printf("Last article's creation date is %ld and title is %s\n", articles[n - 1].time, articles[n - 1].title);
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get_article_contents(&(articles[0]));
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for (int i = 0; i < n; i++)
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get_article_contents(&(articles[i]));
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printf("Got content of %d files\n", n);
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char **html = malloc(sizeof(char *) * n);
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for (int i = 0; i < n; i++)
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gen_html_article(articles[i], &(html[i]));
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return 0;
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}
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12
static/article.html
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12
static/article.html
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@ -0,0 +1,12 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>%s</title>
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<link rel="stylesheet" href="style.css">
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</head>
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<body>
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%s
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</body>
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</html>
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