gout

A static git page generator
git clone https://git.bracken.jp/gout.git
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log.c (3646B)

      1 #include "writer/html/log.h"
      2 
      3 #include <assert.h>
      4 #include <stdbool.h>
      5 #include <stdint.h>
      6 #include <stdlib.h>
      7 
      8 #include "format.h"
      9 #include "utils.h"
     10 #include "writer/cache/cache.h"
     11 #include "writer/html/page.h"
     12 
     13 #include <err.h>
     14 #include <sys/stat.h>
     15 #include <unistd.h>
     16 
     17 struct HtmlLog {
     18   const GitRepo* repo;
     19   const FileSystem* fs;
     20   FILE* out;
     21   Cache* cache;
     22   HtmlPage* page;
     23   size_t remaining_commits;
     24   size_t unlogged_commits;
     25 };
     26 
     27 static void write_commit_row(FILE* out, const GitCommit* commit);
     28 
     29 HtmlLog* html_log_create(const GitRepo* repo, const FileSystem* fs) {
     30   assert(repo != NULL);
     31   assert(fs != NULL);
     32   HtmlLog* log = ecalloc(1, sizeof(HtmlLog));
     33   log->repo = repo;
     34   log->fs = fs;
     35   log->out = fs->fopen("log.html", "w");
     36   if (!log->out) {
     37     err(1, "fopen: log.html");
     38   }
     39   log->page = html_page_create(log->out, repo, fs, "Log", "");
     40   log->remaining_commits = SIZE_MAX;
     41   log->unlogged_commits = 0;
     42   return log;
     43 }
     44 
     45 void html_log_free(HtmlLog* log) {
     46   if (!log) {
     47     return;
     48   }
     49   log->fs->fclose(log->out);
     50   cache_free(log->cache);
     51   html_page_free(log->page);
     52   free(log);
     53 }
     54 
     55 void html_log_set_cachefile(HtmlLog* log, const char* cachefile) {
     56   assert(log != NULL);
     57   assert(cachefile != NULL);
     58   log->cache = cache_open(log->fs, cachefile, write_commit_row);
     59 }
     60 
     61 void html_log_set_commit_limit(HtmlLog* log, size_t count) {
     62   assert(log != NULL);
     63   log->remaining_commits = count;
     64 }
     65 
     66 bool html_log_can_add_commits(const HtmlLog* log) {
     67   assert(log != NULL);
     68   return !log->cache || cache_can_add_commits(log->cache);
     69 }
     70 
     71 void html_log_begin(HtmlLog* log) {
     72   assert(log != NULL);
     73   html_page_begin(log->page);
     74   fprintf(log->out,
     75           "<table id=\"log\"><thead>\n"
     76           "<tr>"
     77           "<td><b>Date</b></td>"
     78           "<td><b>Commit message</b></td>"
     79           "<td><b>Author</b></td>"
     80           "<td class=\"num\" align=\"right\"><b>Files</b></td>"
     81           "<td class=\"num\" align=\"right\"><b>+</b></td>"
     82           "<td class=\"num\" align=\"right\"><b>-</b></td>"
     83           "</tr>\n"
     84           "</thead><tbody>\n");
     85 }
     86 
     87 void html_log_add_commit(HtmlLog* log, const GitCommit* commit) {
     88   assert(log != NULL);
     89   assert(commit != NULL);
     90   if (log->cache) {
     91     cache_add_commit_row(log->cache, commit);
     92   } else if (log->remaining_commits > 0) {
     93     write_commit_row(log->out, commit);
     94     log->remaining_commits--;
     95   } else {
     96     log->unlogged_commits++;
     97   }
     98 }
     99 
    100 void html_log_end(HtmlLog* log) {
    101   assert(log != NULL);
    102   FILE* out = log->out;
    103   if (log->cache) {
    104     cache_close_and_replace(log->cache, log->out);
    105   } else if (log->unlogged_commits > 0) {
    106     size_t count = log->unlogged_commits;
    107     fprintf(out, "<tr><td></td><td colspan=\"5\">");
    108     fprintf(out, "%zu more commits remaining, fetch the repository", count);
    109     fprintf(out, "</td></tr>\n");
    110   }
    111   fprintf(out, "</tbody></table>");
    112   html_page_end(log->page);
    113 }
    114 
    115 static void write_commit_row(FILE* out, const GitCommit* commit) {
    116   assert(out != NULL);
    117   assert(commit != NULL);
    118   fprintf(out, "<tr><td>");
    119   print_time_short(out, commit->author_time);
    120   fprintf(out, "</td><td>");
    121   const char* summary = commit->summary;
    122   if (summary) {
    123     fprintf(out, "<a href=\"commit/%s.html\">", commit->oid);
    124     print_xml_encoded(out, summary);
    125     fprintf(out, "</a>");
    126   }
    127   fprintf(out, "</td><td>");
    128   print_xml_encoded(out, commit->author_name);
    129   fprintf(out,
    130           "</td>"
    131           "<td class=\"num\" align=\"right\">%zu</td>"
    132           "<td class=\"num\" align=\"right\">+%zu</td>"
    133           "<td class=\"num\" align=\"right\">-%zu</td></tr>\n",
    134           commit->filecount, commit->addcount, commit->delcount);
    135 }