read README and LICENSE from repo, escape as HTML - stagit-gopher - A git gopher frontend. (mirror)

git clone git://bitreich.org/stagit-gopher/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/stagit-gopher/

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---

commit 46eae58e356dde845fd2dbb156a23f20cbee3fb5

parent 59912de009c27abec4f2be28d95a157bfedbb0d1

Author: Hiltjo Posthuma 

Date:   Sun,  6 Dec 2015 22:34:56 +0100

read README and LICENSE from repo, escape as HTML

Diffstat:
  M urmoms.c                            |      93 ++++++++++++++++++++++---------

1 file changed, 67 insertions(+), 26 deletions(-)
---

diff --git a/urmoms.c b/urmoms.c

@@ -28,17 +28,21 @@ efopen(const char *name, const char *flags)
         return fp;
 }
 
+/* Escape characters below as HTML 2.0 / XML 1.0. */
 void
-concat(FILE *fp1, FILE *fp2)
+xmlencode(FILE *fp, const char *s, size_t len)
 {
-        char buf[BUFSIZ];
-        size_t n;
-
-        while ((n = fread(buf, 1, sizeof(buf), fp1))) {
-                fwrite(buf, 1, n, fp2);
-
-                if (feof(fp1) || ferror(fp1) || ferror(fp2))
-                        break;
+        size_t i;
+
+        for (i = 0; *s && i < len; s++, i++) {
+                switch(*s) {
+                case '<':  fputs("<",   fp); break;
+                case '>':  fputs(">",   fp); break;
+                case '\'': fputs("'", fp); break;
+                case '&':  fputs("&",  fp); break;
+                case '"':  fputs(""", fp); break;
+                default:   fputc(*s, fp);
+                }
         }
 }
 
@@ -64,7 +68,7 @@ xbasename(const char *path)
 }
 
 static void
-printtime(FILE *fp, const git_time * intime, const char *prefix)
+printtime(FILE *fp, const git_time *intime, const char *prefix)
 {
         struct tm *intm;
         time_t t;
@@ -91,7 +95,43 @@ printtime(FILE *fp, const git_time * intime, const char *prefix)
 }
 
 static void
-printcommit(FILE *fp, git_commit * commit)
+printcommit(FILE *fp, git_commit *commit)
+{
+        const git_signature *sig;
+        char buf[GIT_OID_HEXSZ + 1];
+        int i, count;
+        const char *scan, *eol;
+
+        git_oid_tostr(buf, sizeof(buf), git_commit_id(commit));
+        fprintf(fp, "commit %s\n", buf, buf);
+
+        if ((count = (int)git_commit_parentcount(commit)) > 1) {
+                fprintf(fp, "Merge:");
+                for (i = 0; i < count; ++i) {
+                        git_oid_tostr(buf, 8, git_commit_parent_id(commit, i));
+                        fprintf(fp, " %s", buf);
+                }
+                fprintf(fp, "\n");
+        }
+        if ((sig = git_commit_author(commit)) != NULL) {
+                fprintf(fp, "Author: %s <%s>\n",
+                        sig->name, sig->name, sig->email);
+                printtime(fp, &sig->when, "Date:   ");
+        }
+        fprintf(fp, "\n");
+
+        for (scan = git_commit_message(commit); scan && *scan;) {
+                for (eol = scan; *eol && *eol != '\n'; ++eol)        /* find eol */
+                        ;
+
+                fprintf(fp, "    %.*s\n", (int) (eol - scan), scan);
+                scan = *eol ? eol + 1 : NULL;
+        }
+        fprintf(fp, "\n");
+}
+
+static void
+printcommitdiff(FILE *fp, git_commit *commit)
 {
         const git_signature *sig;
         char buf[GIT_OID_HEXSZ + 1];
@@ -222,9 +262,16 @@ writebranches(FILE *fp)
 }
 #endif
 
+void
+writeblobhtml(FILE *fp, const git_blob *blob)
+{
+        xmlencode(fp, git_blob_rawcontent(blob), (size_t)git_blob_rawsize(blob));
+}
+
 int
 main(int argc, char *argv[])
 {
+        git_object *obj = NULL;
         const git_error *e = NULL;
         FILE *fp, *fpread;
         char path[PATH_MAX], *p;
@@ -241,7 +288,7 @@ main(int argc, char *argv[])
         if ((status = git_repository_open(&repo, repodir)) < 0) {
                 e = giterr_last();
                 fprintf(stderr, "error %d/%d: %s\n", status, e->klass, e->message);
-                exit(status);
+                return status;
         }
 
         /* use directory name as name */
@@ -264,34 +311,28 @@ main(int argc, char *argv[])
         }
 
         /* read LICENSE */
-        snprintf(path, sizeof(path), "%s%s%s",
-                repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "LICENSE");
-        if ((fpread = fopen(path, "r+b"))) {
+        if (!git_revparse_single(&obj, repo, "HEAD:LICENSE")) {
                 fp = efopen("license.html", "w+b");
                 writeheader(fp);
-                concat(fpread, fp);
-                if (ferror(fpread) || ferror(fp))
-                        err(1, "concat");
+                writeblobhtml(fp, (git_blob *)obj);
+                if (ferror(fp))
+                        err(1, "fwrite");
                 writefooter(fp);
 
                 fclose(fp);
-                fclose(fpread);
 
                 haslicense = 1;
         }
 
         /* read README */
-        snprintf(path, sizeof(path), "%s%s%s",
-                repodir, repodir[strlen(repodir)] == '/' ? "" : "/", "README");
-        if ((fpread = fopen(path, "r+b"))) {
+        if (!git_revparse_single(&obj, repo, "HEAD:README")) {
                 fp = efopen("readme.html", "w+b");
                 writeheader(fp);
-                concat(fpread, fp);
-                if (ferror(fpread) || ferror(fp))
-                        err(1, "concat");
+                writeblobhtml(fp, (git_blob *)obj);
+                if (ferror(fp))
+                        err(1, "fwrite");
                 writefooter(fp);
                 fclose(fp);
-                fclose(fpread);
 
                 hasreadme = 1;
         }