Renderers cleanup part 1
[citadel.git] / webcit / messages.c
index a5447a378952ca84674ecaaf01f368fc277653e6..db7638b51a254bf399b463e6def3ee8809a7685b 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * Functions which deal with the fetching and displaying of messages.
  *
- * Copyright (c) 1996-2012 by the citadel.org team
+ * Copyright (c) 1996-2018 by the citadel.org team
  *
  * This program is open source software.  You can redistribute it and/or
  * modify it under the terms of the GNU General Public License, version 3.
@@ -17,7 +17,6 @@
 #include "dav.h"
 #include "calendar.h"
 
-HashList *MsgHeaderHandler = NULL;
 HashList *MimeRenderHandler = NULL;
 HashList *ReadLoopHandler = NULL;
 int dbg_analyze_msg = 0;
@@ -45,12 +44,11 @@ int load_message(message_summary *Msg,
 {
        StrBuf *Buf;
        StrBuf *HdrToken;
-       headereval *Hdr;
-       void *vHdr;
        char buf[SIZ];
        int Done = 0;
        int state=0;
-       
+       int rc;
+
        Buf = NewStrBuf();
        if (Msg->PartNum != NULL) {
                serv_printf("MSG4 %ld|%s", Msg->msgnum, ChrPtr(Msg->PartNum));
@@ -97,14 +95,11 @@ int load_message(message_summary *Msg,
                        StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
                        
                        /* look up one of the examine_* functions to parse the content */
-                       if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
-                           (vHdr != NULL)) {
-                               Hdr = (headereval*)vHdr;
-                               Hdr->evaluator(Msg, Buf, FoundCharset);
-                               if (Hdr->Type == 1) {
-                                       state++;
-                               }
-                       }/* TODO: 
+                       rc =  EvaluateMsgHdr(SKEY(HdrToken), Msg, Buf, FoundCharset);
+                       if (rc == 1) {
+                               state++;
+                       }
+                       /* TODO: 
                        else LogError(Target, 
                                      __FUNCTION__,  
                                      "don't know how to handle message header[%s]\n", 
@@ -125,11 +120,8 @@ int load_message(message_summary *Msg,
                                if (StrLength(HdrToken) > 0) {
                                        StrBufCutLeft(Buf, StrLength(HdrToken) + 1);
                                        /* the examine*'s know how to do with mime headers too... */
-                                       if (GetHash(MsgHeaderHandler, SKEY(HdrToken), &vHdr) &&
-                                           (vHdr != NULL)) {
-                                               Hdr = (headereval*)vHdr;
-                                               Hdr->evaluator(Msg, Buf, FoundCharset);
-                                       }
+                                       EvaluateMsgHdr(SKEY(HdrToken), Msg, Buf, FoundCharset);
+                                       
                                        break;
                                }
                        }
@@ -496,8 +488,13 @@ void display_headers(void) {
  */
 int load_msg_ptrs(const char *servcmd,
                  const char *filter,
+                 StrBuf *FoundCharset,
                  SharedMessageStatus *Stat, 
-                 load_msg_ptrs_detailheaders LH)
+                 void **ViewSpecific,
+                 load_msg_ptrs_detailheaders LH,
+                 StrBuf *FetchMessageList,
+                 eMessageField *MessageFieldList,
+                 long HeaderCount)
 {
         wcsession *WCC = WC;
        message_summary *Msg;
@@ -529,6 +526,10 @@ int load_msg_ptrs(const char *servcmd,
                         serv_puts("000");
                        break;
                }
+               else if (FetchMessageList != NULL) {
+                       serv_putbuf(FetchMessageList);
+                       break;
+               }
                /* fall back to empty filter in case of we were fooled... */
                serv_puts("");
                serv_puts("000");
@@ -551,21 +552,30 @@ int load_msg_ptrs(const char *servcmd,
 
                        Msg->msgnum = StrBufExtractNext_long(Buf, &Ptr, '|');
                        Msg->date = StrBufExtractNext_long(Buf, &Ptr, '|');
-
-                       if (Stat->nummsgs == 0) {
-                               if (Msg->msgnum < Stat->lowest_found) {
-                                       Stat->lowest_found = Msg->msgnum;
-                               }
-                               if (Msg->msgnum > Stat->highest_found) {
-                                       Stat->highest_found = Msg->msgnum;
+                       if (MessageFieldList != NULL) {
+                               long i;
+                               for (i = 0; i < HeaderCount; i++) {
+                                       StrBufExtract_NextToken(Buf2, Buf, &Ptr, '|');
+                                       if (StrLength(Buf2) > 0) {
+                                               EvaluateMsgHdrEnum(MessageFieldList[i], Msg, Buf2, FoundCharset);
+                                       }
                                }
                        }
+                       else {
+                               if (Stat->nummsgs == 0) {
+                                       if (Msg->msgnum < Stat->lowest_found) {
+                                               Stat->lowest_found = Msg->msgnum;
+                                       }
+                                       if (Msg->msgnum > Stat->highest_found) {
+                                               Stat->highest_found = Msg->msgnum;
+                                       }
+                               }
 
-                       if ((Msg->msgnum == 0) && (StrLength(Buf) < 32)) {
-                               free(Msg);
-                               continue;
+                               if ((Msg->msgnum == 0) && (StrLength(Buf) < 32)) {
+                                       free(Msg);
+                                       continue;
+                               }
                        }
-
                        /* 
                         * as citserver probably gives us messages in forward date sorting
                         * nummsgs should be the same order as the message date.
@@ -576,7 +586,7 @@ int load_msg_ptrs(const char *servcmd,
                                        skipit = 1;
                        }
                        if ((!skipit) && (LH != NULL)) {
-                               if (!LH(Buf, &Ptr, Msg, Buf2)){
+                               if (!LH(Buf, &Ptr, Msg, Buf2, ViewSpecific)){
                                        free(Msg);
                                        continue;
                                }                                       
@@ -666,6 +676,9 @@ typedef struct _RoomRenderer{
        RenderView_or_Tail_func RenderView_or_Tail;
        View_Cleanup_func ViewCleanup;
        load_msg_ptrs_detailheaders LHParse;
+       long HeaderCount;
+       StrBuf *FetchMessageList;
+       eMessageField *MessageFieldList;
 } RoomRenderer;
 
 
@@ -747,9 +760,21 @@ void readloop(long oper, eCustomRoomRenderer ForceRenderer)
        }
        if (!IsEmptyStr(cmd)) {
                const char *p = NULL;
+               StrBuf *FoundCharset = NULL;
                if (!IsEmptyStr(filter))
                        p = filter;
-               Stat.nummsgs = load_msg_ptrs(cmd, p, &Stat, ViewMsg->LHParse);
+               if (ViewMsg->HeaderCount > 0) {
+                       FoundCharset = NewStrBuf();
+               }
+               Stat.nummsgs = load_msg_ptrs(cmd, p,
+                                            FoundCharset,
+                                            &Stat,
+                                            &ViewSpecific,
+                                            ViewMsg->LHParse,
+                                            ViewMsg->FetchMessageList,
+                                            ViewMsg->MessageFieldList,
+                                            ViewMsg->HeaderCount);
+               FreeStrBuf(&FoundCharset);
        }
 
        if (Stat.sortit) {
@@ -907,22 +932,12 @@ void post_mime_to_server(void) {
                serv_printf("\n--%s", alt_boundary);
        }
 
-       if (havebstr("markdown"))
-       {
-               serv_puts("Content-type: text/x-markdown; charset=utf-8");
-               serv_puts("Content-Transfer-Encoding: quoted-printable");
-               serv_puts("");
-               text_to_server_qp(sbstr("msgtext"));    /* Transmit message in quoted-printable encoding */
-       }
-       else
-       {
-               serv_puts("Content-type: text/html; charset=utf-8");
-               serv_puts("Content-Transfer-Encoding: quoted-printable");
-               serv_puts("");
-               serv_puts("<html><body>\r\n");
-               text_to_server_qp(sbstr("msgtext"));    /* Transmit message in quoted-printable encoding */
-               serv_puts("</body></html>\r\n");
-       }
+       serv_puts("Content-type: text/html; charset=utf-8");
+       serv_puts("Content-Transfer-Encoding: quoted-printable");
+       serv_puts("");
+       serv_puts("<html><body>\r\n");
+       text_to_server_qp(sbstr("msgtext"));    /* Transmit message in quoted-printable encoding */
+       serv_puts("</body></html>\r\n");
 
        if (include_text_alt) {
                serv_printf("--%s--", alt_boundary);
@@ -1010,7 +1025,7 @@ void post_message(void)
                StrBuf *Recp = NULL; 
                StrBuf *Cc = NULL;
                StrBuf *Bcc = NULL;
-               char *wikipage = NULL;
+               StrBuf *wikipage = NULL;
                const StrBuf *my_email_addr = NULL;
                StrBuf *CmdBuf = NULL;
                StrBuf *references = NULL;
@@ -1065,7 +1080,7 @@ void post_message(void)
                FreeStrBuf(&EmailAddress);
                FreeStrBuf(&EncBuf);
 
-               wikipage = strdup(bstr("page"));
+               wikipage = NewStrBufDup(sbstr("page"));
                str_wiki_index(wikipage);
                my_email_addr = sbstr("my_email_addr");
                
@@ -1073,7 +1088,7 @@ void post_message(void)
                        StrLength(encoded_subject) +
                        StrLength(Cc) +
                        StrLength(Bcc) + 
-                       strlen(wikipage) +
+                       StrLength(wikipage) +
                        StrLength(my_email_addr) + 
                        StrLength(references);
                CmdBuf = NewStrBufPlain(NULL, sizeof (CMD) + HeaderLen);
@@ -1085,7 +1100,7 @@ void post_message(void)
                             ChrPtr(display_name),
                             saving_to_drafts?"":ChrPtr(Cc),
                             saving_to_drafts?"":ChrPtr(Bcc),
-                            wikipage,
+                            ChrPtr(wikipage),
                             ChrPtr(my_email_addr),
                             ChrPtr(references));
                FreeStrBuf(&references);
@@ -1310,77 +1325,6 @@ void remove_attachment(void) {
 }
 
 
-/* Maps to msgkeys[] in msgbase.c: */
-
-typedef enum _eMessageField {
-       eAuthor,
-       eXclusivID,
-       erFc822Addr,
-       eHumanNode,
-       emessageId,
-       eJournal,
-       eReplyTo,
-       eListID,
-       eMesageText,
-       eNodeName,
-       eOriginalRoom,
-       eMessagePath,
-       eRecipient,
-       eSpecialField,
-       eTimestamp,
-       eMsgSubject,
-       eenVelopeTo,
-       eWeferences,
-       eCarbonCopY
-}eMessageField;
-
-const char* fieldMnemonics[] = {
-       "from", /* A -> eAuthor       */
-       "exti", /* E -> eXclusivID    */
-       "rfca", /* F -> erFc822Addr   */
-       "hnod", /* H -> eHumanNode    */
-       "msgn", /* I -> emessageId    */
-       "jrnl", /* J -> eJournal      */
-       "rep2", /* K -> eReplyTo      */
-       "list", /* L -> eListID       */
-       "text", /* M -> eMesageText   */
-       "node", /* N -> eNodeName     */
-       "room", /* O -> eOriginalRoom */
-       "path", /* P -> eMessagePath  */
-       "rcpt", /* R -> eRecipient    */
-       "spec", /* S -> eSpecialField */
-       "time", /* T -> eTimestamp    */
-       "subj", /* U -> eMsgSubject   */
-       "nvto", /* V -> eenVelopeTo   */
-       "wefw", /* W -> eWeferences   */
-       "cccc"  /* Y -> eCarbonCopY   */
-};
-
-HashList *msgKeyLookup = NULL;
-
-int GetFieldFromMnemonic(eMessageField *f, const char* c)
-{
-       void *v = NULL;
-       if (GetHash(msgKeyLookup, c, 4, &v)) {
-               *f = (eMessageField) v;
-               return 1;
-       }
-       return 0;
-}
-
-void FillMsgKeyLookupTable(void)
-{
-       long i;
-
-       msgKeyLookup = NewHash (1, FourHash);
-
-       for (i=0; i < 20; i++) {
-               if (fieldMnemonics[i] != NULL) {
-                       Put(msgKeyLookup, fieldMnemonics[i], 4, (void*)i, reference_free_handler);
-               }
-       }
-}
-
 const char *ReplyToModeStrings [3] = {
        "reply",
        "replyall",
@@ -1410,10 +1354,6 @@ void display_enter(void)
        int i = 0;
        long replying_to;
 
-       int prefer_md;
-
-       get_pref_yesno("markdown", &prefer_md, 0);
-
        if (havebstr("force_room")) {
                gotoroom(sbstr("force_room"));
        }
@@ -1616,6 +1556,12 @@ void display_enter(void)
                                        case eMessagePath:
                                        case eSpecialField:
                                        case eTimestamp:
+                                       case eHeaderOnly:
+                                       case eFormatType:
+                                       case eMessagePart:
+                                       case eSubFolder:
+                                       case ePevious:
+                                       case eLastHeader:
                                                break;
 
                                        }
@@ -1706,14 +1652,14 @@ void display_enter(void)
                const StrBuf *Recp = NULL; 
                const StrBuf *Cc = NULL;
                const StrBuf *Bcc = NULL;
-               char *wikipage = NULL;
+               StrBuf *wikipage = NULL;
                StrBuf *CmdBuf = NULL;
                const char CMD[] = "ENT0 0|%s|%d|0||%s||%s|%s|%s";
                
                Recp = sbstr("recp");
                Cc = sbstr("cc");
                Bcc = sbstr("bcc");
-               wikipage = strdup(bstr("page"));
+               wikipage = NewStrBufDup(sbstr("page"));
                str_wiki_index(wikipage);
                
                CmdBuf = NewStrBufPlain(NULL, 
@@ -1722,7 +1668,7 @@ void display_enter(void)
                                        StrLength(display_name) +
                                        StrLength(Cc) +
                                        StrLength(Bcc) + 
-                                       strlen(wikipage));
+                                       StrLength(wikipage));
 
                StrBufPrintf(CmdBuf, 
                             CMD,
@@ -1731,7 +1677,7 @@ void display_enter(void)
                             ChrPtr(display_name),
                             ChrPtr(Cc), 
                             ChrPtr(Bcc), 
-                            wikipage
+                            ChrPtr(wikipage)
                );
                serv_puts(ChrPtr(CmdBuf));
                StrBuf_ServGetln(CmdBuf);
@@ -1760,10 +1706,7 @@ void display_enter(void)
 
        begin_burst();
        output_headers(1, 0, 0, 0, 1, 0);
-       if ((WCC->CurRoom.defview == VIEW_WIKIMD) || prefer_md)
-               DoTemplate(HKEY("edit_markdown_epic"), NULL, &NoCtx);
-       else
-               DoTemplate(HKEY("edit_message"), NULL, &NoCtx);
+       DoTemplate(HKEY("edit_message"), NULL, &NoCtx);
        end_burst();
 
        return;
@@ -2071,6 +2014,15 @@ void jsonMessageList(void) {
        readloop(oper, eUseDefault);
 }
 
+void FreeReadLoopHandlerSet(void *v) {
+       RoomRenderer *Handler = (RoomRenderer *) v;
+       FreeStrBuf(&Handler->FetchMessageList);
+       if (Handler->MessageFieldList != NULL) {
+               free(Handler->MessageFieldList);
+       }
+       free(Handler);
+}
+
 void RegisterReadLoopHandlerset(
        int RoomType,
        GetParamsGetServerCall_func GetParamsGetServerCall,
@@ -2079,9 +2031,12 @@ void RegisterReadLoopHandlerset(
        load_msg_ptrs_detailheaders LH,
        LoadMsgFromServer_func LoadMsgFromServer,
        RenderView_or_Tail_func RenderView_or_Tail,
-       View_Cleanup_func ViewCleanup
+       View_Cleanup_func ViewCleanup,
+       const char **browseListFields
        )
 {
+       long count = 0;
+       long i = 0;
        RoomRenderer *Handler;
 
        Handler = (RoomRenderer*) malloc(sizeof(RoomRenderer));
@@ -2095,28 +2050,42 @@ void RegisterReadLoopHandlerset(
        Handler->ViewCleanup = ViewCleanup;
        Handler->LHParse = LH;
 
-       Put(ReadLoopHandler, IKEY(RoomType), Handler, NULL);
-}
+       if (browseListFields != NULL) {
+               while (browseListFields[count] != NULL) {
+                       count ++;
+               }
+               Handler->HeaderCount = count;
+               Handler->MessageFieldList = (eMessageField*) malloc(sizeof(eMessageField) * count);
+               Handler->FetchMessageList = NewStrBufPlain(NULL, 5 * count + 4 + 5);
+               StrBufPlain(Handler->FetchMessageList, HKEY("time\n"));
+               for (i = 0; i < count; i++) {
+                       if (!GetFieldFromMnemonic(&Handler->MessageFieldList[i], browseListFields[i])) {
+                               fprintf(stderr, "Unknown message header: %s\n", browseListFields[i]);
+                               exit(1);
+                       }
+                       StrBufAppendBufPlain(Handler->FetchMessageList, browseListFields[i], 4, 0);
+                       StrBufAppendBufPlain(Handler->FetchMessageList, HKEY("\n"), 0);
+               }
+               StrBufAppendBufPlain(Handler->FetchMessageList, HKEY("000"), 0);
+       }
+       else {
+               Handler->FetchMessageList = NULL;
+               Handler->MessageFieldList = NULL;
+       }
 
-void 
-ServerShutdownModule_MSG
-(void)
-{
-       DeleteHash(&msgKeyLookup);
+       Put(ReadLoopHandler, IKEY(RoomType), Handler, FreeReadLoopHandlerSet);
 }
 
 void 
 InitModule_MSG
 (void)
 {
-       FillMsgKeyLookupTable();
-
        RegisterPreference("use_sig",
                           _("Attach signature to email messages?"), 
                           PRF_YESNO, 
                           NULL);
        RegisterPreference("signature", _("Use this signature:"), PRF_QP_STRING, NULL);
-       RegisterPreference("default_header_charset", 
+       RegisterPreference("default_header_charset",
                           _("Default character set for email headers:"), 
                           PRF_STRING, 
                           NULL);
@@ -2130,8 +2099,6 @@ InitModule_MSG
                           PRF_STRING, 
                           NULL);
        RegisterPreference("mailbox",_("Mailbox view mode"), PRF_STRING, NULL);
-       RegisterPreference("markdown",_("Prefer markdown editing"), PRF_YESNO, NULL);
-
 
        WebcitAddUrlHandler(HKEY("readnew"), "", 0, h_readnew, ANONYMOUS|NEED_URL);
        WebcitAddUrlHandler(HKEY("readold"), "", 0, h_readold, ANONYMOUS|NEED_URL);