Use SEARCH for a subset of thread roots

This does way less duplicate work by fetching all threads and all
thread root envelopes once, then doing searches for subsets of
thread roots.

1 files changed, 21 insertions, 13 deletions

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);