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-rw-r--r--archive.c76
-rw-r--r--archive.h34
-rw-r--r--atom.c12
-rw-r--r--concat.c86
-rw-r--r--html.c75
-rw-r--r--imap.h1
6 files changed, 154 insertions, 130 deletions
diff --git a/archive.c b/archive.c
index 74491a1..20ea5d0 100644
--- a/archive.c
+++ b/archive.c
@@ -80,12 +80,7 @@ static void createDirs(void) {
 	createDir("thread");
 }
 
-static struct Search {
-	size_t cap;
-	size_t len;
-	char **names;
-	char **exprs;
-} search;
+struct Search search;
 
 static void searchAdd(const char *name, const char *expr) {
 	if (search.len == search.cap) {
@@ -134,51 +129,24 @@ static void searchDefault(void) {
 	searchAdd("index", "ALL");
 }
 
-static const char *algo = "REFERENCES";
-
-static void
-searchThreads(struct IMAP *imap, const char *name, const char *expr) {
+static void searchThreads(
+	struct IMAP *imap, struct List threads, const struct Envelope *envelopes,
+	const char *name, const char *expr
+) {
 	struct Resp resp;
-	struct List threads = {0};
-	struct List envelopeItems = {0};
-	struct Envelope *envelopes = NULL;
-
-	enum Atom thread = atom("thread");
-	fprintf(
-		imap->w, "%s UID THREAD %s UTF-8 %s\r\n",
-		Atoms[thread], algo, expr
-	);
-	for (; resp = respOk(imapResp(imap)), resp.tag != thread; respFree(resp)) {
-		if (resp.resp != AtomThread) continue;
-		threads = resp.data;
-		resp.data = (struct List) {0}; // prevent freeing threads with resp
+	struct List roots = {0};
+
+	enum Atom search = atom("search");
+	concatSearch(imap->w, search, threads, expr);
+	for (; resp = respOk(imapResp(imap)), resp.tag != search; respFree(resp)) {
+		if (resp.resp != AtomSearch) continue;
+		roots = resp.data;
+		resp.data = (struct List) {0}; // prevent freeing roots with resp
 	}
 	respFree(resp);
-	if (!threads.len) goto concat;
 
-	enum Atom concat = atom("concat");
-	envelopes = calloc(threads.len, sizeof(*envelopes));
-	if (!envelopes) err(EX_OSERR, "calloc");
-	concatFetch(imap->w, concat, threads);
-	for (; resp = respOk(imapResp(imap)), resp.tag != concat; respFree(resp)) {
-		if (resp.resp != AtomFetch) continue;
-		if (!resp.data.len) errx(EX_PROTOCOL, "missing FETCH data");
-		// Prevent freeing data in envelopes with resp:
-		struct Data items = dataTake(&resp.data.ptr[0]);
-		concatData(threads, envelopes, dataCheck(items, List).list);
-		listPush(&envelopeItems, items);
-	}
-	respFree(resp);
-
-concat:
-	concatSearch(name, threads, envelopes, search.names, search.len);
-
-	for (size_t i = 0; i < threads.len; ++i) {
-		envelopeFree(envelopes[i]);
-	}
-	free(envelopes);
-	listFree(envelopeItems);
-	listFree(threads);
+	concatIndex(name, roots, threads, envelopes);
+	listFree(roots);
 }
 
 int main(int argc, char *argv[]) {
@@ -191,6 +159,7 @@ int main(int argc, char *argv[]) {
 
 	bool idle = false;
 	const char *mailbox = "Archive";
+	const char *algo = "REFERENCES";
 	const char *searchPath = NULL;
 
 	for (
@@ -198,7 +167,7 @@ int main(int argc, char *argv[]) {
 		0 < (opt = getopt(argc, argv, "A:C:H:S:T:a:h:im:p:qs:u:vw:y:"));
 	) {
 		switch (opt) {
-			break; case 'A': concatSearchEntries = strtoul(optarg, NULL, 10);
+			break; case 'A': concatIndexEntries = strtoul(optarg, NULL, 10);
 			break; case 'C': {
 				int error = chdir(optarg);
 				if (error) err(EX_NOINPUT, "%s", optarg);
@@ -362,6 +331,13 @@ concat:;
 	respFree(resp);
 
 	concatThreads(threads, envelopes);
+	for (size_t i = 0; i < search.len; ++i) {
+		searchThreads(
+			&imap, threads, envelopes,
+			search.names[i], search.exprs[i]
+		);
+	}
+
 	for (size_t i = 0; i < threads.len; ++i) {
 		envelopeFree(envelopes[i]);
 	}
@@ -369,10 +345,6 @@ concat:;
 	listFree(envelopeItems);
 	listFree(threads);
 
-	for (size_t i = 0; i < search.len; ++i) {
-		searchThreads(&imap, search.names[i], search.exprs[i]);
-	}
-
 	fflush(stdout);
 	uidWrite("UIDNEXT", uidNext);
 	if (!idle) goto logout;
diff --git a/archive.h b/archive.h
index 7740b98..d6b9608 100644
--- a/archive.h
+++ b/archive.h
@@ -44,7 +44,7 @@
 #define PATH_THREAD "thread/[messageID].[type]"
 #define PATH_ATTACHMENT \
 	"attachment/[messageID]/[section]/[name][disposition][.][subtype]"
-#define PATH_SEARCH "[name].[type]"
+#define PATH_INDEX "[name].[type]"
 
 #define MBOX_HEADERS \
 	"Date Subject From Sender Reply-To To Cc Bcc " \
@@ -60,6 +60,13 @@ extern const char *baseMailto;
 extern const char *baseSubscribe;
 extern const char *baseStylesheet;
 
+extern struct Search {
+	size_t cap;
+	size_t len;
+	char **names;
+	char **exprs;
+} search;
+
 static inline struct U32 {
 	char s[sizeof("4294967295")];
 } u32(uint32_t u) {
@@ -215,15 +222,18 @@ bool exportFetch(FILE *imap, enum Atom tag, struct List threads);
 bool exportData(FILE *imap, enum Atom tag, struct List items);
 
 extern const char *concatHead;
-extern size_t concatSearchEntries;
+extern size_t concatIndexEntries;
 void concatFetch(FILE *imap, enum Atom tag, struct List threads);
+void concatSearch(
+	FILE *imap, enum Atom tag, struct List threads, const char *expr
+);
 void concatData(
 	struct List threads, struct Envelope *envelopes, struct List items
 );
 void concatThreads(struct List threads, const struct Envelope *envelopes);
-void concatSearch(
-	const char *name, struct List threads, const struct Envelope *envelopes,
-	char *searches[const], size_t len
+void concatIndex(
+	const char *name, struct List roots,
+	struct List threads, const struct Envelope *envelopes
 );
 
 int mboxFrom(FILE *file);
@@ -235,8 +245,8 @@ int atomContent(FILE *file, const char *content);
 int atomEntryClose(FILE *file);
 int atomThreadOpen(FILE *file, const struct Envelope *envelope);
 int atomThreadClose(FILE *file);
-int atomSearchOpen(FILE *file, const char *name);
-int atomSearchClose(FILE *file);
+int atomIndexOpen(FILE *file, const char *name);
+int atomIndexClose(FILE *file);
 
 int htmlMessageOpen(FILE *file, const struct Envelope *envelope, bool nested);
 int htmlInline(FILE *file, const struct BodyPart *part, const char *content);
@@ -251,11 +261,9 @@ int htmlThreadOpen(FILE *file, const struct Envelope *envelope);
 int htmlSubthreadOpen(FILE *file, struct List thread);
 int htmlSubthreadClose(FILE *file);
 int htmlThreadClose(FILE *file);
-int htmlSearchHead(FILE *file, const char *name);
-int htmlSearchOpen(
-	FILE *file, const char *name, char *searches[const], size_t len
-);
-int htmlSearchThread(
+int htmlIndexHead(FILE *file, const char *name);
+int htmlIndexOpen(FILE *file, const char *name);
+int htmlIndexThread(
 	FILE *file, const struct Envelope *envelope, struct List thread
 );
-int htmlSearchClose(FILE *file);
+int htmlIndexClose(FILE *file);
diff --git a/atom.c b/atom.c
index a58f71c..b49a2b7 100644
--- a/atom.c
+++ b/atom.c
@@ -163,18 +163,18 @@ int atomThreadClose(FILE *file) {
 	return templateRender(file, Q(</feed>), NULL, NULL);
 }
 
-static char *atomSearchURL(const char *name, const char *type) {
+static char *atomIndexURL(const char *name, const char *type) {
 	struct Variable vars[] = {
 		{ "name", name },
 		{ "type", type },
 		{0},
 	};
-	return templateString("/" PATH_SEARCH, vars, escapeURL);
+	return templateString("/" PATH_INDEX, vars, escapeURL);
 }
 
-int atomSearchOpen(FILE *file, const char *name) {
-	char *atom = atomSearchURL(name, "atom");
-	char *html = atomSearchURL(name, "html");
+int atomIndexOpen(FILE *file, const char *name) {
+	char *atom = atomIndexURL(name, "atom");
+	char *html = atomIndexURL(name, "html");
 	const char *template = XML_DECL Q(
 		<feed xmlns="http://www.w3.org/2005/Atom">
 		<generator uri="[generator]">bubger</generator>
@@ -200,6 +200,6 @@ int atomSearchOpen(FILE *file, const char *name) {
 	return error;
 }
 
-int atomSearchClose(FILE *file) {
+int atomIndexClose(FILE *file) {
 	return templateRender(file, Q(</feed>), NULL, NULL);
 }
diff --git a/concat.c b/concat.c
index 800a7a2..54a49a7 100644
--- a/concat.c
+++ b/concat.c
@@ -27,6 +27,7 @@
 
 #include <err.h>
 #include <inttypes.h>
+#include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -54,6 +55,17 @@ void concatFetch(FILE *imap, enum Atom tag, struct List threads) {
 	fprintf(imap, " (UID ENVELOPE)\r\n");
 }
 
+void concatSearch(
+	FILE *imap, enum Atom tag, struct List threads, const char *expr
+) {
+	fprintf(imap, "%s UID SEARCH CHARSET UTF-8 UID ", Atoms[tag]);
+	for (size_t i = 0; i < threads.len; ++i) {
+		uint32_t root = threadRoot(dataCheck(threads.ptr[i], List).list);
+		fprintf(imap, "%s%" PRIu32, (i ? "," : ""), root);
+	}
+	fprintf(imap, " %s\r\n", expr);
+}
+
 void concatData(
 	struct List threads, struct Envelope *envelopes, struct List items
 ) {
@@ -230,13 +242,13 @@ void concatThreads(struct List threads, const struct Envelope *envelopes) {
 	}
 }
 
-static char *searchPath(const char *name, const char *type) {
+static char *indexPath(const char *name, const char *type) {
 	struct Variable vars[] = {
 		{ "name", name },
 		{ "type", type },
 		{0},
 	};
-	return templateString(PATH_SEARCH, vars, escapePath);
+	return templateString(PATH_INDEX, vars, escapePath);
 }
 
 static int numberCompare(const void *_a, const void *_b) {
@@ -261,23 +273,43 @@ static int sortCompare(const void *_a, const void *_b) {
 	}
 }
 
-size_t concatSearchEntries = 20;
+size_t concatIndexEntries = 20;
 
-void concatSearch(
-	const char *name, struct List threads, const struct Envelope *envelopes,
-	char *searches[const], size_t len
+void concatIndex(
+	const char *name, struct List roots,
+	struct List threads, const struct Envelope *envelopes
 ) {
-	char *path = searchPath(name, "atom");
+	bool *bitmap = calloc(threads.len, sizeof(*bitmap));
+	if (!bitmap) err(EX_OSERR, "calloc");
+
+	for (size_t i = 0; i < roots.len; ++i) {
+		dataCheck(roots.ptr[i], Number);
+	}
+	for (size_t i = 0; i < threads.len; ++i) {
+		uint32_t root = threadRoot(dataCheck(threads.ptr[i], List).list);
+		for (size_t j = 0; j < roots.len; ++j) {
+			if (root == roots.ptr[j].number) {
+				bitmap[i] = true;
+				break;
+			}
+		}
+	}
+
+	char *path = indexPath(name, "atom");
 	FILE *file = fopen(path, "w");
 	if (!file) err(EX_CANTCREAT, "%s", path);
 
-	int error = atomSearchOpen(file, name);
+	int error = atomIndexOpen(file, name);
 	if (error) err(EX_IOERR, "%s", path);
 
 	struct List flat = {0};
-	listFlatten(&flat, threads);
+	for (size_t i = 0; i < threads.len; ++i) {
+		if (!bitmap[i]) continue;
+		listFlatten(&flat, threads.ptr[i].list);
+	}
 	qsort(flat.ptr, flat.len, sizeof(*flat.ptr), numberCompare);
-	for (size_t i = 0; i < flat.len && i < concatSearchEntries; ++i) {
+
+	for (size_t i = 0; i < flat.len && i < concatIndexEntries; ++i) {
 		uint32_t uid = dataCheck(flat.ptr[i], Number).number;
 		char *src = uidPath(uid, "atom");
 		error = concatFile(file, src);
@@ -286,30 +318,37 @@ void concatSearch(
 	}
 	listFree(flat);
 
-	error = atomSearchClose(file) || fclose(file);
+	error = atomIndexClose(file) || fclose(file);
 	if (error) err(EX_IOERR, "%s", path);
 	if (!quiet) printf("%s\n", path);
 	free(path);
-
-	struct Sort *order = calloc(threads.len, sizeof(*order));
+	
+	size_t len = 0;
+	struct Sort *order = calloc(roots.len, sizeof(*order));
 	if (!order) err(EX_OSERR, "calloc");
 
 	for (size_t i = 0; i < threads.len; ++i) {
-		order[i].index = i;
-		order[i].created = envelopes[i].time;
+		if (!bitmap[i]) continue;
 
 		struct stat status;
 		char *path = threadPath(envelopes[i].messageID, "html");
-		if (!stat(path, &status)) order[i].updated = status.st_mtime;
+		error = stat(path, &status);
+		if (error) err(EX_DATAERR, "%s", path);
 		free(path);
+
+		order[len].index = i;
+		order[len].created = envelopes[i].time;
+		order[len].updated = status.st_mtime;
+		len++;
 	}
-	qsort(order, threads.len, sizeof(*order), sortCompare);
+	qsort(order, len, sizeof(*order), sortCompare);
+	free(bitmap);
 
-	path = searchPath(name, "html");
+	path = indexPath(name, "html");
 	file = fopen(path, "w");
 	if (!file) err(EX_CANTCREAT, "%s", path);
 
-	error = htmlSearchHead(file, name);
+	error = htmlIndexHead(file, name);
 	if (error) err(EX_IOERR, "%s", path);
 
 	if (concatHead) {
@@ -317,19 +356,18 @@ void concatSearch(
 		if (error) err(EX_IOERR, "%s", path);
 	}
 
-	error = htmlSearchOpen(file, name, searches, len);
+	error = htmlIndexOpen(file, name);
 	if (error) err(EX_IOERR, "%s", path);
 
-	for (size_t i = threads.len - 1; i < threads.len; --i) {
-		if (!order[i].updated) continue;
+	for (size_t i = len - 1; i < len; --i) {
 		const struct Envelope *envelope = &envelopes[order[i].index];
 		struct List thread = dataCheck(threads.ptr[order[i].index], List).list;
-		error = htmlSearchThread(file, envelope, thread);
+		error = htmlIndexThread(file, envelope, thread);
 		if (error) err(EX_IOERR, "%s", path);
 	}
 	free(order);
 
-	error = htmlSearchClose(file) || fclose(file);
+	error = htmlIndexClose(file) || fclose(file);
 	if (error) err(EX_IOERR, "%s", path);
 	if (!quiet) printf("%s\n", path);
 	free(path);
diff --git a/html.c b/html.c
index 6b25996..1dc531c 100644
--- a/html.c
+++ b/html.c
@@ -512,17 +512,17 @@ int htmlThreadClose(FILE *file) {
 		|| htmlFooter(file);
 }
 
-static char *htmlSearchURL(const char *name, const char *type) {
+static char *htmlIndexURL(const char *name, const char *type) {
 	struct Variable vars[] = {
 		{ "name", name },
 		{ "type", type },
 		{0},
 	};
-	return templateString(PATH_SEARCH, vars, escapeURL);
+	return templateString(PATH_INDEX, vars, escapeURL);
 }
 
-int htmlSearchHead(FILE *file, const char *name) {
-	char *atom = htmlSearchURL(name, "atom");
+int htmlIndexHead(FILE *file, const char *name) {
+	char *atom = htmlIndexURL(name, "atom");
 	const char *template = Q(
 		<!DOCTYPE html>
 		<meta charset="utf-8">
@@ -545,40 +545,47 @@ int htmlSearchHead(FILE *file, const char *name) {
 	return error;
 }
 
-static int htmlSearchNav(
-	FILE *file, const char *name, char *searches[const], size_t len
-) {
-	if (len < 2 || strcmp(name, "index")) return 0;
-	int error = templateRender(file, Q(<nav>), NULL, NULL);
+static int htmlSearchNavItem(FILE *file, const char *name, bool current) {
+	char *url = NULL;
+	const char *template;
+	if (current) {
+		template = Q(<b>[name]</b>) " ";
+	} else {
+		url = htmlIndexURL(name, "html");
+		template = Q(<a href="[url]">[name]</a>) " ";
+	}
+	struct Variable vars[] = {
+		{ "url", url },
+		{ "name", name },
+		{0},
+	};
+	int error = templateRender(file, template, vars, escapeXML);
+	free(url);
+	return error;
+}
+
+static int htmlSearchNav(FILE *file, const char *name) {
+	if (search.len < 2) return 0;
+	int error = 0
+		|| templateRender(file, Q(<nav>), NULL, NULL)
+		|| htmlSearchNavItem(file, "index", !strcmp(name, "index"));
 	if (error) return error;
-	for (size_t i = 0; i < len; ++i) {
-		if (!strcmp(searches[i], "index")) continue;
-		char *url = htmlSearchURL(searches[i], "html");
-		const char *template = Q(<a href="[url]">[search]</a>) " ";
-		struct Variable vars[] = {
-			{ "url", url },
-			{ "search", searches[i] },
-			{0},
-		};
-		error = templateRender(file, template, vars, escapeXML);
-		free(url);
+	for (size_t i = 0; i < search.len; ++i) {
+		if (!strcmp(search.names[i], "index")) continue;
+		error = htmlSearchNavItem(
+			file, search.names[i], !strcmp(search.names[i], name)
+		);
 		if (error) return error;
 	}
 	return templateRender(file, Q(</nav>), NULL, NULL);
 }
 
-int htmlSearchOpen(
-	FILE *file, const char *name, char *searches[const], size_t len
-) {
-	char *index = htmlSearchURL("index", "html");
-	char *atom = htmlSearchURL(name, "atom");
+int htmlIndexOpen(FILE *file, const char *name) {
+	char *atom = htmlIndexURL(name, "atom");
 	const char *template = Q(
 		<header class="index">
 			<h1>[+name][name] - [-][title]</h1>
 			<nav>
-				[+name]
-				<a href="[index]">index</a>
-				[-]
 				<a href="[atom]">follow</a>
 				[+subscribe]
 				<a href="[subscribe]">subscribe</a>
@@ -596,7 +603,6 @@ int htmlSearchOpen(
 	struct Variable vars[] = {
 		{ "name", (strcmp(name, "index") ? name : NULL) },
 		{ "title", baseTitle },
-		{ "index", index },
 		{ "atom", atom },
 		{ "subscribe", baseSubscribe },
 		{ "mailto", baseMailto },
@@ -604,14 +610,13 @@ int htmlSearchOpen(
 	};
 	int error = 0
 		|| templateRender(file, template, vars, escapeXML)
-		|| htmlSearchNav(file, name, searches, len)
+		|| htmlSearchNav(file, name)
 		|| templateRender(file, tail, NULL, NULL);
-	free(index);
 	free(atom);
 	return error;
 }
 
-static char *htmlSearchThreadURL(const struct Envelope *envelope) {
+static char *htmlIndexThreadURL(const struct Envelope *envelope) {
 	struct Variable vars[] = {
 		{ "messageID", envelope->messageID },
 		{ "type", "html" },
@@ -620,10 +625,10 @@ static char *htmlSearchThreadURL(const struct Envelope *envelope) {
 	return templateString(PATH_THREAD, vars, escapeURL);
 }
 
-int htmlSearchThread(
+int htmlIndexThread(
 	FILE *file, const struct Envelope *envelope, struct List thread
 ) {
-	char *url = htmlSearchThreadURL(envelope);
+	char *url = htmlIndexThreadURL(envelope);
 	const char *template = Q(
 		<li>
 			<h2 class="Subject"><a href="[url]">[subject]</a></h2>
@@ -648,7 +653,7 @@ int htmlSearchThread(
 	return error;
 }
 
-int htmlSearchClose(FILE *file) {
+int htmlIndexClose(FILE *file) {
 	return 0
 		|| templateRender(file, Q(</ol></main>), NULL, NULL)
 		|| htmlFooter(file);
diff --git a/imap.h b/imap.h
index 015c8b8..e5a925a 100644
--- a/imap.h
+++ b/imap.h
@@ -48,6 +48,7 @@
 	X(AtomUIDNext, "UIDNEXT") \
 	X(AtomUIDValidity, "UIDVALIDITY") \
 	X(AtomFetch, "FETCH") \
+	X(AtomSearch, "SEARCH") \
 	X(AtomThread, "THREAD") \
 	X(AtomUID, "UID") \
 	X(AtomEnvelope, "ENVELOPE") \