src/gistatic.c: create functions for loops; encode refs.html page dynamic content

1 files changed, 196 insertions, 165 deletions

diff --git a/src/gistatic.c b/src/gistatic.c
index 9c82f1f..f3411f9 100644
--- a/src/gistatic.c
+++ b/src/gistatic.c
@@ -1437,6 +1437,196 @@ cleanup:
 	return ret;
 }
 
+static int repo_refs_branch_each(
+	FILE *const refs_fd,
+	struct git_repository *const repo,
+	struct git_reference *const ref
+) {
+	int ret = 0;
+	struct git_commit *commit = NULL;
+	char *encoded_name    = NULL;
+	char *encoded_summary = NULL;
+	char *encoded_author  = NULL;
+	char *date = NULL;
+	int e;
+
+	const char *const name = git_reference_shorthand(ref);
+	assert(name);
+	const struct git_oid *const oid = git_reference_target(ref);
+	assert(oid);
+
+	if (git_commit_lookup(&commit, repo, oid)) {
+		const git_error *const error = git_error_last();
+		assert(error);
+		logerrs("git_commit_lookup(", name, ")", error->message,
+			__LINE__);
+		ret = -1;
+		goto cleanup;
+	}
+
+	const char *const sha = git_oid_tostr_s(oid);
+	assert(sha);
+	const char *const summary = git_commit_summary(commit);
+	assert(summary);
+	const struct git_signature *const author = git_commit_author(commit);
+	assert(author);
+
+	if (
+		   !(encoded_name    = escape_html(name))
+		|| !(encoded_summary = escape_html(summary))
+		|| !(encoded_author  = escape_html(author->name))
+		|| !(date = formatted_date(author->when.time))
+	) {
+		ret = -1;
+		goto cleanup;
+	}
+
+	e = fprintf(
+		refs_fd,
+		""
+			"          <tr>\n"
+			"            <td>\n"
+			"              <a href=\"log/%s.html\">\n"
+			"                %s\n"
+			"              </a>\n"
+			"            </td>\n"
+			"            <td>\n"
+			"              <a href=\"commit/%s.html\">\n"
+			"                %s\n"
+			"              </a>\n"
+			"            </td>\n"
+			"            <td>\n"
+			"              %s\n"
+			"            </td>\n"
+			"            <td>\n"
+			"              %s\n"
+			"            </td>\n"
+			"          </tr>\n"
+			"",
+		encoded_name,
+		encoded_name,
+		sha,
+		encoded_summary,
+		encoded_author,
+		date
+	);
+	if (e < 0) {
+		logerr("fprintf()", strerror(errno), __LINE__);
+		ret = -1;
+		goto cleanup;
+	}
+
+cleanup:
+	free(date);
+	free(encoded_author);
+	free(encoded_summary);
+	free(encoded_name);
+	git_commit_free(commit);
+	return ret;
+}
+
+static int repo_refs_tag_each(
+	FILE *const refs_fd,
+	struct git_repository *const repo,
+	struct git_reference *const ref,
+	const char *const project_name
+) {
+	int ret = 0;
+	struct git_commit *commit = NULL;
+	char *encoded_name    = NULL;
+	char *encoded_summary = NULL;
+	char *encoded_author  = NULL;
+	char *date = NULL;
+	int e;
+
+	if (!git_reference_is_tag(ref)) {
+		goto cleanup;
+	}
+
+	const char *const name = git_reference_shorthand(ref);
+	assert(name);
+	const struct git_oid *const oid = git_reference_target(ref);
+	assert(oid);
+
+	if (git_commit_lookup(&commit, repo, oid)) {
+		const git_error *const error = git_error_last();
+		assert(error);
+		logerrs("git_commit_lookup(", name, ")", error->message, __LINE__);
+		ret = -1;
+		goto cleanup;
+	}
+
+	const char *const sha = git_oid_tostr_s(oid);
+	assert(sha);
+	const char *const summary = git_commit_summary(commit);
+	assert(summary);
+	const struct git_signature *const author = git_commit_author(commit);
+	assert(author);
+
+	if (
+		   !(encoded_name    = escape_html(name))
+		|| !(encoded_summary = escape_html(summary))
+		|| !(encoded_author  = escape_html(author->name))
+		|| !(date = formatted_date(author->when.time))
+	) {
+		ret = -1;
+		goto cleanup;
+	}
+
+	e = fprintf(
+		refs_fd,
+		""
+			"          <tr>\n"
+			"            <td>\n"
+			"              <a href=\"tag/%s.html\">\n"
+			"                %s\n"
+			"              </a>\n"
+			"            </td>\n"
+			"            <td>\n"
+			"              <a href=\"commit/%s.html\">\n"
+			"                %s\n"
+			"              </a>\n"
+			"            </td>\n"
+			"            <td>\n"
+			"              <a href=\"tarballs/%s-%s.tar.xz\">%s-%s.tar.xz</a>\n"
+			"              (<a href=\"tarballs/%s-%s.tar.xz.asc\">sig</a>)\n"
+			"            </td>\n"
+			"            <td>\n"
+			"              %s\n"
+			"            </td>\n"
+			"            <td>\n"
+			"              %s\n"
+			"            </td>\n"
+			"          </tr>\n"
+			"",
+		encoded_name,
+		encoded_name,
+		sha,
+		encoded_summary,
+		project_name,
+		encoded_name,
+		project_name,
+		encoded_name,
+		project_name,
+		encoded_name,
+		encoded_author,
+		date
+	);
+	if (e < 0) {
+		logerr("fprintf()", strerror(errno), __LINE__);
+		ret = -1;
+		goto cleanup;
+	}
+
+cleanup:
+	free(date);
+	free(encoded_author);
+	free(encoded_summary);
+	free(encoded_name);
+	git_commit_free(commit);
+	return ret;
+}
+
 static int repo_refs_write(
 	const char *const outdir,
 	struct git_repository *const repo,
@@ -1586,82 +1776,11 @@ static int repo_refs_write(
 	struct git_reference *ref;
 	git_branch_t _btype;
 	while (!(e = git_branch_next(&ref, &_btype, branch_iter))) {
-		const char *const name = git_reference_shorthand(ref);
-		assert(name);
-
-		const struct git_oid *const oid = git_reference_target(ref);
-		if (!oid) {
-			logerrs("git_reference_target(\"", name, "\")",
-				_(MSG_ERR_NONDIRECT_REF), __LINE__);
-			git_reference_free(ref);
-			ret = -1;
-			goto cleanup;
-		}
-		struct git_commit *commit;
-		if (git_commit_lookup(&commit, repo, oid)) {
-			const git_error *const error = git_error_last();
-			assert(error);
-			logerr("git_commit_lookup()", error->message, __LINE__);
-			git_reference_free(ref);
-			ret = -1;
-			goto cleanup;
-		}
-
-		const char *const sha = git_oid_tostr_s(oid);
-		assert(sha);
-
-		const char *const summary = git_commit_summary(commit);
-		assert(summary);
-		const struct git_signature *const author =
-			git_commit_author(commit);
-		assert(author);
-		char *const date = formatted_date(author->when.time);
-		if (!date) {
-			git_commit_free(commit);
-			git_reference_free(ref);
-			ret = -1;
-			goto cleanup;
-		}
-
-		e = fprintf(
-			refs_fd,
-			""
-				"          <tr>\n"
-				"            <td>\n"
-				"              <a href=\"log/%s.html\">\n"
-				"                %s\n"
-				"              </a>\n"
-				"            </td>\n"
-				"            <td>\n"
-				"              <a href=\"commit/%s.html\">\n"
-				"                %s\n"
-				"              </a>\n"
-				"            </td>\n"
-				"            <td>\n"
-				"              %s\n"
-				"            </td>\n"
-				"            <td>\n"
-				"              %s\n"
-				"            </td>\n"
-				"          </tr>\n"
-				"",
-			name,
-			name,
-			sha,
-			summary,
-			author->name,
-			date
-		);
-		if (e < 0) {
-			logerr("fprintf()", strerror(errno), __LINE__);
-			free(date);
-			git_reference_free(ref);
-			ret = -1;
+		e = repo_refs_branch_each(refs_fd, repo, ref);
+		git_reference_free(ref);
+		if (e) {
 			goto cleanup;
 		}
-		free(date);
-		git_commit_free(commit);
-		git_reference_free(ref);
 	}
 	if (e != GIT_ITEROVER) {
 		const git_error *const error = git_error_last();
@@ -1710,96 +1829,11 @@ static int repo_refs_write(
 	}
 
 	while (!(e = git_reference_next(&ref, ref_iter))) {
-		if (!git_reference_is_tag(ref)) {
-			git_reference_free(ref);
-			continue;
-		}
-		const char *const name = git_reference_shorthand(ref);
-		assert(name);
-
-		const struct git_oid *const oid = git_reference_target(ref);
-		if (!oid) {
-			logerrs("git_reference_target(\"", name, "\")",
-				_(MSG_ERR_NONDIRECT_REF), __LINE__);
-			git_reference_free(ref);
-			ret = -1;
-			goto cleanup;
-		}
-		struct git_commit *commit;
-		if (git_commit_lookup(&commit, repo, oid)) {
-			const git_error *const error = git_error_last();
-			assert(error);
-			logerr("git_commit_lookup()", error->message, __LINE__);
-			git_reference_free(ref);
-			ret = -1;
-			goto cleanup;
-		}
-
-		const char *const sha = git_oid_tostr_s(oid);
-		assert(sha);
-
-		const char *const summary = git_commit_summary(commit);
-		assert(summary);
-		const struct git_signature *const author =
-			git_commit_author(commit);
-		assert(author);
-		char *const date = formatted_date(author->when.time);
-		if (!date) {
-			git_commit_free(commit);
-			git_reference_free(ref);
-			ret = -1;
-			goto cleanup;
-		}
-
-		e = fprintf(
-			refs_fd,
-			""
-				"          <tr>\n"
-				"            <td>\n"
-				"              <a href=\"tag/%s.html\">\n"
-				"                %s\n"
-				"              </a>\n"
-				"            </td>\n"
-				"            <td>\n"
-				"              <a href=\"commit/%s.html\">\n"
-				"                %s\n"
-				"              </a>\n"
-				"            </td>\n"
-				"            <td>\n"
-				"              <a href=\"tarballs/%s-%s.tar.xz\">%s-%s.tar.xz</a>\n"
-				"              (<a href=\"tarballs/%s-%s.tar.xz.asc\">sig</a>)\n"
-				"            </td>\n"
-				"            <td>\n"
-				"              %s\n"
-				"            </td>\n"
-				"            <td>\n"
-				"              %s\n"
-				"            </td>\n"
-				"          </tr>\n"
-				"",
-			name,
-			name,
-			sha,
-			summary,
-			project_name,
-			name,
-			project_name,
-			name,
-			project_name,
-			name,
-			author->name,
-			date
-		);
-		if (e < 0) {
-			logerr("fprintf()", strerror(errno), __LINE__);
-			free(date);
-			git_reference_free(ref);
-			ret = -1;
+		e = repo_refs_tag_each(refs_fd, repo, ref, project_name);
+		git_reference_free(ref);
+		if (e) {
 			goto cleanup;
 		}
-		free(date);
-		git_commit_free(commit);
-		git_reference_free(ref);
 	}
 	if (e != GIT_ITEROVER) {
 		const git_error *const error = git_error_last();
@@ -1831,7 +1865,6 @@ static int repo_refs_write(
 		goto cleanup;
 	}
 
-
 cleanup:
 	git_branch_iterator_free(branch_iter);
 	git_reference_iterator_free(ref_iter);
@@ -1852,9 +1885,7 @@ static int repo_tarballs_write(
 ) {
 	int ret = 0;
 	int e;
-	(void)outdir;
 	(void)repo;
-	(void)project_name;
 	char *tarballs_dir = NULL;
 	struct git_reference_iterator *ref_iter = NULL;