GopherProxy

	youtube/feed: add simple HTML and gopher output format - frontends - front-ends…
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	---
	commit d22d896072715e337381959c0cca366b45810cb0
	parent 4715c8cfb1799ef4dfe14dea87efc8e4d7c3a60e
	Author: Hiltjo Posthuma <[email protected]>
	Date: Thu, 18 May 2023 15:28:32 +0200

	youtube/feed: add simple HTML and gopher output format

	Diffstat:
	M youtube/feed.c \| 136 +++++++++++++++++++++++++++++…
	M youtube/gopher.c \| 2 +-

	2 files changed, 136 insertions(+), 2 deletions(-)
	---
	diff --git a/youtube/feed.c b/youtube/feed.c
	@@ -86,6 +86,10 @@ static int parsetime(const char , long long );
	static void atom_header(void);
	static void atom_item(void);
	static void atom_footer(void);
	+static void gph_header(void);
	+static void gph_footer(void);
	+static void html_header(void);
	+static void html_footer(void);
	static void json_header(void);
	static void json_item(void);
	static void json_footer(void);
	@@ -498,6 +502,122 @@ atom_item(void)
	fputs("</entry>\n", stdout);
	}

	+
	+static void
	+html_header(void)
	+{
	+ fputs("<!DOCTYPE HTML>\n"
	+ "<html>\n"
	+ "<head>\n"
	+ "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\…
	+ "</head>\n"
	+ "<body><pre>\n", stdout);
	+}
	+
	+static void
	+html_footer(void)
	+{
	+ fputs("</pre></body>\n</html>\n", stdout);
	+}
	+
	+static void
	+html_item(void)
	+{
	+ struct item v, found = NULL;
	+ size_t i;
	+
	+ /* must have a video id */
	+ if (!ctx.fields[FeedFieldYoutubeId].str.len)
	+ return;
	+
	+ for (i = 0; i < search_res->nitems; i++) {
	+ v = &(search_res->items[i]);
	+ if (!strcmp(ctx.fields[FeedFieldYoutubeId].str.data, v->id))
	+ found = v;
	+ }
	+ /* Only print the video if it was found in the feed aswell.
	+ This way it filters away shorts too. */
	+ if (!found)
	+ return;
	+
	+ /* just print the original timestamp, it should conform */
	+ xmlencode(ctx.fields[FeedFieldTime].str.data);
	+ fputs(" ", stdout);
	+
	+ if (ctx.fields[FeedFieldLink].str.len) {
	+ fputs("<a href=\"", stdout);
	+ xmlencode(ctx.fields[FeedFieldLink].str.data);
	+ fputs("\">", stdout);
	+ }
	+
	+ xmlencode(ctx.fields[FeedFieldTitle].str.data);
	+
	+ if (found->duration[0]) {
	+ fputs(" [", stdout);
	+ xmlencode(found->duration);
	+ fputs("]", stdout);
	+ }
	+ if (ctx.fields[FeedFieldLink].str.len) {
	+ fputs("</a>", stdout);
	+ }
	+ fputs("\n", stdout);
	+}
	+
	+static void
	+gphencode(const char *s)
	+{
	+ gophertext(stdout, s, strlen(s));
	+}
	+
	+static void
	+gph_header(void)
	+{
	+}
	+
	+static void
	+gph_footer(void)
	+{
	+ fputs(".\r\n", stdout);
	+}
	+
	+static void
	+gph_item(void)
	+{
	+ struct item v, found = NULL;
	+ size_t i;
	+
	+ /* must have a video id */
	+ if (!ctx.fields[FeedFieldYoutubeId].str.len)
	+ return;
	+
	+ for (i = 0; i < search_res->nitems; i++) {
	+ v = &(search_res->items[i]);
	+ if (!strcmp(ctx.fields[FeedFieldYoutubeId].str.data, v->id))
	+ found = v;
	+ }
	+ /* Only print the video if it was found in the feed aswell.
	+ This way it filters away shorts too. */
	+ if (!found)
	+ return;
	+
	+ fputs("h", stdout);
	+ /* just print the original timestamp, it should conform */
	+ gphencode(ctx.fields[FeedFieldTime].str.data);
	+ fputs(" ", stdout);
	+ gphencode(ctx.fields[FeedFieldTitle].str.data);
	+ if (found->duration[0]) {
	+ fputs(" [", stdout);
	+ gphencode(found->duration);
	+ fputs("]", stdout);
	+ }
	+ fputs("\t", stdout);
	+ if (ctx.fields[FeedFieldLink].str.len) {
	+ fputs("URL:", stdout);
	+ gphencode(ctx.fields[FeedFieldLink].str.data);
	+ }
	+ printf("\t%s\t%s\r\n", server_name, server_port);
	+}
	+
	static void
	json_header(void)
	{
	@@ -931,10 +1051,12 @@ usage(void)
	fputs("Status: 400 Bad Request\r\n", stdout);
	fputs("Content-Type: text/plain; charset=utf-8\r\n\r\n…
	printf("400 %s\n", msg);
	+ fputs("Supported extensions are: [atom\|gph\|html\|json\|t…
	}
	exit(0);
	} else {
	- fputs("usage: feed <channelid> [atom\|json\|tsv\|txt]\n", stderr);
	+ fputs("usage: feed <channelid> [atom\|gph\|html\|json\|tsv\|txt]\n"…
	+ fputs("For example: feed UCrbvoMC0zUvPL8vjswhLOSw txt\n", stde…
	exit(1);
	}
	}
	@@ -987,6 +1109,10 @@ main(int argc, char *argv[])

	if (!strcmp(format, "atom") \|\| !strcmp(format, "xml"))
	printfields = atom_item;
	+ else if (!strcmp(format, "gph"))
	+ printfields = gph_item;
	+ else if (!strcmp(format, "html"))
	+ printfields = html_item;
	else if (!strcmp(format, "json"))
	printfields = json_item;
	else if (!strcmp(format, "tsv") \|\| !strcmp(format, "sfeed"))
	@@ -1040,6 +1166,10 @@ main(int argc, char *argv[])

	if (!strcmp(format, "atom") \|\| !strcmp(format, "xml"))
	atom_header();
	+ else if (!strcmp(format, "gph"))
	+ gph_header();
	+ else if (!strcmp(format, "html"))
	+ html_header();
	else if (!strcmp(format, "json"))
	json_header();

	@@ -1048,6 +1178,10 @@ main(int argc, char *argv[])

	if (!strcmp(format, "atom") \|\| !strcmp(format, "xml"))
	atom_footer();
	+ else if (!strcmp(format, "gph"))
	+ gph_footer();
	+ else if (!strcmp(format, "html"))
	+ html_footer();
	else if (!strcmp(format, "json"))
	json_footer();

	diff --git a/youtube/gopher.c b/youtube/gopher.c
	@@ -50,7 +50,7 @@ header(void)
	void
	footer(void)
	{
	- printf(".\r\n");
	+ fputs(".\r\n", stdout);
	}

	int