diff options
Diffstat (limited to 'pages.c')
| -rw-r--r-- | pages.c | 148 |
1 files changed, 135 insertions, 13 deletions
@@ -323,6 +323,10 @@ replaceinpage(const char *outfile, const char *toreplace, struct fileorstring *s * return 1 on success, 0 on failure */ + /* special case for ignoring a call so we can reuse the function */ + if (source->file == NULL && source->str == NULL) + return 1; + long substrpos = -1; substrpos = findstring(outfile, toreplace); @@ -455,7 +459,7 @@ postscompare(const void *a, const void *b) } int -createdirectpages(int *posts, size_t totalposts) +createdirectpages(const int *posts, size_t totalposts) { /* * create direct post files for each post @@ -488,9 +492,8 @@ createdirectpages(int *posts, size_t totalposts) } return 1; } -#include <math.h> char -*generatepagebar(char *bar, size_t size, int *posts, size_t totalposts, int currentpage) +*generatepagebar(char *bar, size_t size, const int *posts, size_t totalposts, int currentpage, int pagecount) { /* * create a navigation bar for the posts pages highlighting the 'currentpage' link @@ -499,17 +502,16 @@ char char buff[size]; int i; size_t freespace = size; - /* determine how many pages we need */ - int pagecount = (totalposts%posts_per_page == 0) ? totalposts/posts_per_page : totalposts/posts_per_page+1; /* gross hack, sxprintf returns the number of chars written, keep track of our freespace */ - freespace -= snprintf(buff, freespace, "<div class='middle'> <a href='%d.html'>prev</a>", (currentpage == 1) ? pagecount : currentpage-1); + freespace -= snprintf(buff, freespace, "<div class='middle'> <a href='%d.html'>prev</a> ", (currentpage == 1) ? pagecount : currentpage-1); + if (freespace <= 0) {fprintf(stderr, "out of space in buffer for generatepagebar()\n"); return NULL;} strncat(bar, buff, freespace); - for (int i = 1; i < pagecount; i++) + for (int i = 1; i <= pagecount; i++) { // FIXME: this doesn't need to be an if/else.. if (currentpage == i) { - freespace -= snprintf(buff, freespace, "<strong><i><a href='%d.html'>%d</a></i></strong> ", i, i); + freespace -= snprintf(buff, freespace, "<strong><i>%d</i></strong> ", i); } else { @@ -517,13 +519,128 @@ char } strncat(bar, buff, freespace); } - freespace -= snprintf(buff, freespace, "<div class='middle'> <a href='%d.html'>next</a>", (currentpage == pagecount) ? 1 : currentpage+1); + freespace -= snprintf(buff, freespace, "<a href='%d.html'>next</a></div>", (currentpage == pagecount) ? 1 : currentpage+1); + if (freespace <= 0) {fprintf(stderr, "out of space in buffer for generatepagebar()\n"); return NULL;} strncat(bar, buff, freespace); - printf("%s: %ld pages = %d\n", bar, freespace, pagecount); return bar; } int +writeposts(const int *posts, size_t totalposts, const char *outfile, int currentpage, int pagecount) +{ + /* + * write posts into 'output_dir'/'outfile' + * return 1 on success, 0 on failure + */ + char outfilename[512] = {0}; + snprintf(outfilename, 512, "%s%s", output_dir, outfile); + char pagebar[512] = {0}; + if (generatepagebar(pagebar, 512, posts, totalposts, currentpage, pagecount) == NULL) + { + fprintf(stderr, "unable to generate pagebar for %s, unrecoverable failure\n", outfilename); + return 0; + } + + int start; + int stop; + start = 1 + (posts_per_page * currentpage) - posts_per_page; + stop = start + posts_per_page; + while (stop > (totalposts)) + stop--; + + printf("page number is %d, post range is %d-%d, output is: %s\n", currentpage, start, stop, outfilename); + int post; + /* write posts to a temp file */ + char source[512]; + FILE *postfile; + FILE *tmp = fopen("post.tmp", "a"); + if (!tmp) + { + fprintf(stderr, "unable to open temp file, unrecoverable failure\n"); + return 0; + } + fprintf(tmp, "%s\n", pagebar); + for (int x = start; x < stop; x++) + { + /* + * post is the index into posts[] we actually want + * we do this because we want page 1 to contain the last blog posts not actually the first and so on + */ + post = totalposts - posts[x]; + printf("page %d gets %d.txt\n", currentpage, post); + fprintf(tmp, "post #%d<br>\n<a href='direct/%d.html'>direct link</a><br>\n", post, post); + snprintf(source, 512, "%s%d.txt", posts_content, post); + postfile = fopen(source, "r"); + if (!postfile) + { + fprintf(stderr, "unable to open temp file, unrecoverable failure\n"); + fclose(tmp); + return 0; + } + char c; + while ((c = fgetc(postfile)) != EOF) + { + fputc(c, tmp); + } + fprintf(tmp, "<hr>\n"); + fclose(postfile); + } + fprintf(tmp, "%s\n", pagebar); + fclose(tmp); + struct fileorstring replacement = {"post.tmp", NULL}; + if (!replaceinpage(outfile, content_string, &replacement)) + { + fprintf(stderr, "unable to replace content in %s, unrecoverable failure\n", outfilename); + return 0; + } + + if (remove("post.tmp") == -1) + { + fprintf(stderr, "unable to remove temp file (post.tmp), unrecoverable failure\n"); + return 0; + } + + return 1; +} + +int +generatepostpages(const int *posts, size_t totalposts, int pagecount) +{ + /* + * create each blog page, there will be 'pagecount' of them + * containing 'posts_per_page' posts each + * return 1 on success, 0 on failure + */ + + char outfilename[512] = {0}; + int postswritten = 0; + + for (int i = 1; i <= pagecount; i++) + { + /* loop through and create every post page required */ + snprintf(outfilename, 512, "%s%d.html", posts_output_dir, i); + if (!createfile(outfilename)) + { + fprintf(stderr, "unable to create file '%s', unrecoverable failure\n", outfilename); + return 0; + } + + if (!genericpage(NONE, outfilename, NULL, posts_title, posts_info)) + { + fprintf(stderr, "unable to create generic page '%s', unrecoverable failure\n", outfilename); + return 0; + } + if (!writeposts(posts, totalposts, outfilename, i, pagecount)) + { + fprintf(stderr, "unable to create write posts to page %d', unrecoverable failure\n", i); + return 0; + } + } + + return 1; +} + +int postspage(int flags) { /* @@ -563,7 +680,7 @@ postspage(int flags) { /* could not open directory */ fprintf(stderr, "Error opening directory: %s\n", strerror(errno)); - fprintf(stderr, "unable to open file '%s', unrecoverable failure\n", posts_content); + fprintf(stderr, "unable to open directory '%s', unrecoverable failure\n", posts_content); return 0; } @@ -577,7 +694,12 @@ postspage(int flags) return 0; } - char pagebar[1024] = {0}; - generatepagebar(pagebar, 1024, posts, totalposts, 1); + /* determine how many pages we need, if total posts divided by 'posts_per_page' isn't 0, we need 'posts_per_page'+1 pages */ + int pagecount = (totalposts%posts_per_page == 0) ? totalposts/posts_per_page : totalposts/posts_per_page+1; + if (!generatepostpages(posts, totalposts, pagecount)) + { + fprintf(stderr, "unable to create post pages, unrecoverable failure\n"); + return 0; + } return 1; } |