diff options
| -rw-r--r-- | config.h | 7 | ||||
| -rw-r--r-- | pages.c | 139 | ||||
| -rw-r--r-- | pages.h | 4 | ||||
| -rw-r--r-- | rss.txt | 10 |
4 files changed, 155 insertions, 5 deletions
@@ -21,6 +21,7 @@ enum flag { NONE = 0, + RSS = 1, }; struct page @@ -35,6 +36,7 @@ static const char *title_string = "{TITLE}"; static const char *content_string = "{CONTENT}"; static const char *info_string = "{INFO}"; static const char *time_string = "{TIME}"; +static const char *rss_string = "{ITEMS}"; static const char *template_file = "template.txt"; /* frontpage */ @@ -96,6 +98,8 @@ static const int ignore[] = {}; /* ignore these posts */ /* rss */ static const char *rss_output = "posts/posts.rss"; +static const char *rss_template = "rss.txt"; +static const int post_count = 10; /* each page to be generated go into this array */ static const struct page pages[] = { @@ -108,8 +112,7 @@ static const struct page pages[] = { {opinions_animepage, NONE}, {opinions_everythingpage, NONE}, {portfoliopage, NONE}, - {postspage, NONE}, - {rsspage, NONE}, + {postspage, RSS}, /* flag RSS to generate RSS feed */ }; #endif @@ -278,7 +278,7 @@ writeatbyte(const char *dest, struct fileorstring *source, long offset) * rename file 'tmp' 'filename' */ - char c, t, a; + int c, t, a; long curpos = 1; int i = 0; while ((c = fgetc(in)) != EOF) @@ -716,15 +716,150 @@ postspage(int flags) fprintf(stderr, "unable to create post pages, unrecoverable failure\n"); return 0; } + + /* generate rss feed if required */ + if (flags & RSS) + { + generaterss(posts, totalposts); + } return 1; } /* rss */ + +char +*striphtml(char *str, size_t size) +{ + /* + * strip html tags from 'str' + * dont copy newline + * return pointer to 'str' + */ + int idx = 0; + int opened = 0; // false + for(size_t i = 0; i < size; i++) + { + if(str[i] == '<') + { + opened = 1; // true + } + else if (str[i] == '>') + { + opened = 0; // false + } + else if (!opened) + { + str[idx++] = str[i]; + } + } + str[idx] = '\0'; + if (str[idx-1] == '\n') + str[idx-1] = '\0'; + return str; +} +int +writerss(FILE *out, int post) +{ + /* + * create rss item using 'post_content'/'posts'.txt into FILE 'out' + * return 1 on success, 0 on fail + */ + + if (!out) + return 0; + char buff[512]; + snprintf(buff, 512, "%s/%d.txt", posts_content, post); + FILE *in = fopen(buff, "r"); + if (!in) + { + fprintf(stderr, "unable to open file %s, unrecoverable failure\n", buff); + return 0; + } + + char line[4096]; + char title[512] = {0}; + char date[512] = {0}; + char description[512] = {0}; + char item[4096] = {0}; + int pos = 0; + while ((fgets(line, 4096, in)) != NULL) + { + if (pos == 0) + { + /* should be the title */ + strncpy(title, line, 512); + } + if (pos == 1) + { + /* should be the title */ + strncpy(date, line, 512); + } + + if (pos >= 2 && (title == NULL || date == NULL)) + { + fprintf(stderr, "post %s has a broken format, please fix it\n", buff); + fclose(in); + return 0; + } + if (pos == 3) + { + strncpy(description, line, 100); + } + pos++; + } + striphtml(title, strlen(title)); + striphtml(date, strlen(date)); + striphtml(description, strlen(description)); + strcat(description, " ..."); + //printf("title is: %s date is: %s: desc is: %s\n", title, date, description); + snprintf(item, 4096, "<item>\n\t<title>%s</title>\n\t<pubDate>%s</pubDate>\n\t<link>https://danieljon.es/posts/direct/%d</link>\n\t<guid>https://danieljon.es/posts/direct/%d</guid>\n\t<description>%s</description>\n</item>\n", title, date, post, post, description); + + fprintf(out, "%s", item); + fclose(in); + return 1; +} + int -rsspage(int flags) +generaterss(const int *posts, size_t totalposts) { /* * generate an rss feed for our blog/posts */ + + if (!createfile(rss_output, rss_template)) + { + fprintf(stderr, "unable to create %s, unrecoverable failure\n", rss_output); + return 0; + } + + /* open a temporary file for writing items to */ + FILE *tmp = fopen("rss.tmp", "w+"); + if (!tmp) + { + fprintf(stderr, "unable to create %s, unrecoverable failure\n", "rss.tmp"); + return 0; + } + + /* loop through each post and write an rss file to our open file */ + int i; + int towrite = post_count; + while (towrite > totalposts) + towrite--; + for (i = 1; i < towrite; i++) + { + if (!writerss(tmp, (totalposts - posts[i]))) + return 0; + } + + struct fileorstring src = {"rss.tmp", NULL}; + + if (!replaceinpage(rss_output, rss_string, &src)) + { + fprintf(stderr, "unable to replace %s in %s, unrecoverable failure\n", rss_string, rss_output); + return 0; + } + + fclose(tmp); + //remove("rss.tmp"); return 1; } @@ -46,6 +46,9 @@ int createdirectpages(const int *posts, size_t totalposts); char *generatepagebar(char *bar, size_t size, const int *posts, size_t totalposts, int currentpage, int pagecount); int generatepostpages(const int *posts, size_t totalposts, int pagecount); int writeposts(const int *posts, size_t totalposts, const char *outfile, int currentpage, int pagecount); +int generaterss(const int *posts, size_t totalposts); +int writerss(FILE *out, int post); +char *striphtml(char *str, size_t size); /* generators (to be put into the pages array) */ int frontpage(int flags); @@ -57,6 +60,5 @@ int opinions_animepage(int flags); int opinions_everythingpage(int flags); int portfoliopage(int flags); int postspage(int flags); -int rsspage(int flags); #endif @@ -0,0 +1,10 @@ +<?xml version="1.0" encoding="UTF-8" ?> +<rss version="2.0"> +<channel> + <title>danieljon.es posts</title> + <link>https://danieljon.es/posts</link> + <description>Posts made by daniel_j on https://danieljon.es/posts</description> + <generator>https://github.com/daniel-Jones/websitegenerator</generator> + {ITEMS} +</channel> +</rss> |