--- /dev/null
+/*
+ * Copyright (c) 1996-2020 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#ifndef MESSAGES_H
+#define MESSAGES_H
+
+extern CtxType CTX_MAILSUM;
+extern CtxType CTX_MIME_ATACH;
+extern HashList *MimeRenderHandler;
+extern HashList *ReadLoopHandler;
+typedef struct wc_mime_attachment wc_mime_attachment;
+typedef void (*RenderMimeFunc)(StrBuf *Target, WCTemplputParams *TP, StrBuf *FoundCharset);
+typedef struct _RenderMimeFuncStruct {
+ RenderMimeFunc f;
+} RenderMimeFuncStruct;
+
+struct wc_mime_attachment {
+ int level;
+ StrBuf *Name;
+ StrBuf *FileName;
+ StrBuf *PartNum;
+ StrBuf *Disposition;
+ StrBuf *ContentType;
+ StrBuf *Charset;
+ StrBuf *Data;
+ size_t length; /* length of the mimeattachment */
+ long size_known;
+ long lvalue; /* if we put a long... */
+ long msgnum; /* the message number on the citadel server derived from message_summary */
+ const RenderMimeFuncStruct *Renderer;
+};
+void DestroyMime(void *vMime);
+
+#define MSGFLAG_READ (1<<0)
+
+typedef struct _message_summary {
+ long msgnum; // the message number on the citadel server
+ int Flags;
+ time_t date; // its creation date
+ int nhdr;
+ int format_type;
+ StrBuf *euid;
+ StrBuf *from; // display name of message author
+ StrBuf *to; // the recipient
+ StrBuf *subj; // title / subject
+ StrBuf *reply_inreplyto;
+ long reply_inreplyto_hash;
+ StrBuf *reply_references;
+ long reply_references_hash;
+ StrBuf *ReplyTo;
+ StrBuf *cccc;
+ StrBuf *AllRcpt;
+ StrBuf *Room;
+ StrBuf *Rfca; // UPN or email address of message author
+ StrBuf *EnvTo;
+ const StrBuf *PartNum;
+ HashList *Attachments; // list of attachments
+ HashList *Submessages;
+ HashList *AttachLinks;
+ HashList *AllAttach;
+ int hasattachments;
+ int is_local; // nonzero if the message originated on the local system
+ wc_mime_attachment *MsgBody; // the MIME part of the message
+} message_summary;
+
+void DestroyMessageSummary(void *vMsg);
+
+/* some of these fields map to msgkeys[] in msgbase.c ... others don't */
+
+/* I think these are supposed to align with fieldMnemonics in msg_renderers.c
+ * So if you change one you have to change the other.
+ * TODO: figure out who did this and beat them with a wet noodle.
+ */
+typedef enum _eMessageField {
+ eAuthor,
+ eXclusivID,
+ erFc822Addr,
+ emessageId,
+ eJournal,
+ eReplyTo,
+ eListID,
+ eMesageText,
+ eIsLocal,
+ eMessagePath,
+ eRecipient,
+ eSpecialField,
+ eTimestamp,
+ eMsgSubject,
+ eenVelopeTo,
+ eWeferences,
+ eCarbonCopY,
+ eHeaderOnly,
+ eFormatType,
+ eMessagePart,
+ eSubFolder,
+ eLastHeader
+} eMessageField;
+
+extern const char* fieldMnemonics[];
+
+int GetFieldFromMnemonic(eMessageField *f, const char* c);
+int EvaluateMsgHdr(const char *HeaderName, long HdrNLen, message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset);
+int EvaluateMsgHdrEnum(eMessageField f, message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset);
+
+
+static inline message_summary* GetMessagePtrAt(int n, HashList *Summ) {
+ const char *Key;
+ long HKLen;
+ void *vMsg;
+
+ if (Summ == NULL) {
+ return NULL;
+ }
+ GetHashAt(Summ, n, &HKLen, &Key, &vMsg);
+ return (message_summary*) vMsg;
+}
+
+
+typedef void (*ExamineMsgHeaderFunc)(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset);
+void evaluate_mime_part(StrBuf *Target, WCTemplputParams *TP);
+
+typedef enum _eCustomRoomRenderer {
+ eUseDefault = VIEW_JOURNAL + 100,
+ eReadEUIDS
+} eCustomRoomRenderer;
+
+enum {
+ do_search,
+ headers,
+ readfwd,
+ readnew,
+ readold,
+ readgt,
+ readlt
+};
+
+/**
+ * @brief function to parse the | separated message headers list
+ * @param Line the raw line with your message data
+ * @param Msg put your parser results here...
+ * @param ConversionBuffer if you need some workbuffer, don't free me!
+ * @param ViewSpecific your view specific context data
+ * @returns 0: failure, trash this message. 1: all right, store it
+ */
+typedef int (*load_msg_ptrs_detailheaders) (StrBuf *Line,
+ const char **pos,
+ message_summary *Msg,
+ StrBuf *ConversionBuffer,
+ void **ViewSpecific);
+
+typedef void (*readloop_servcmd)(char *buf, long bufsize);
+
+typedef struct _readloopstruct {
+ ConstStr name;
+ readloop_servcmd cmd;
+} readloop_struct;
+
+extern readloop_struct rlid[];
+
+void readloop(long oper, eCustomRoomRenderer ForceRenderer);
+int read_message(StrBuf *Target,
+ const char *tmpl, long tmpllen,
+ long msgnum,
+ const StrBuf *section,
+ const StrBuf **OutMime,
+ WCTemplputParams *TP);
+int load_message(message_summary *Msg,
+ StrBuf *FoundCharset,
+ StrBuf **Error);
+
+
+
+
+typedef struct _SharedMessageStatus {
+ long load_seen; /* should read information be loaded */
+ long sortit; /* should we sort it using the standard sort API? */
+ long defaultsortorder; /* if we should sort it, which direction should be the default? */
+
+ long maxload; /* how many headers should we accept from the server? defaults to 10k */
+ long maxmsgs; /* how many message bodies do you want to load at most?*/
+
+ long startmsg; /* which is the start message? */
+ long nummsgs; /* How many messages are available to your view? */
+ long numNewmsgs; /* if you load the seen-status, this is the count of them. */
+ long num_displayed; /* counted up for LoadMsgFromServer */ /* TODO: unclear who should access this and why */
+
+ long lowest_found; /* smallest Message ID found; */
+ long highest_found; /* highest Message ID found; */
+
+} SharedMessageStatus;
+
+int load_msg_ptrs(const char *servcmd,
+ const char *filter,
+ StrBuf *FoundCharset,
+ SharedMessageStatus *Stat,
+ void **ViewSpecific,
+ load_msg_ptrs_detailheaders LH,
+ StrBuf *FetchMessageList,
+ eMessageField *MessageFieldList,
+ long HeaderCount);
+
+typedef int (*GetParamsGetServerCall_func)(SharedMessageStatus *Stat,
+ void **ViewSpecific,
+ long oper,
+ char *cmd,
+ long len,
+ char *filter,
+ long flen);
+
+typedef int (*PrintViewHeader_func)(SharedMessageStatus *Stat, void **ViewSpecific);
+
+typedef int (*LoadMsgFromServer_func)(SharedMessageStatus *Stat,
+ void **ViewSpecific,
+ message_summary* Msg,
+ int is_new,
+ int i);
+
+typedef int (*RenderView_or_Tail_func)(SharedMessageStatus *Stat,
+ void **ViewSpecific,
+ long oper);
+typedef int (*View_Cleanup_func)(void **ViewSpecific);
+
+void RegisterReadLoopHandlerset(
+ /**
+ * RoomType: which View definition are you going to be called for
+ */
+ int RoomType,
+
+ /**
+ * GetParamsGetServerCall should do the following:
+ * * allocate your private context structure
+ * * evaluate your commandline arguments, put results to your private struct.
+ * * fill cmd with the command to load the message pointer list:
+ * * might depend on bstr/oper depending on your needs
+ * * might stay empty if no list should loaded and LoadMsgFromServer
+ * is skipped.
+ * * influence the behaviour by presetting values on SharedMessageStatus
+ */
+ GetParamsGetServerCall_func GetParamsGetServerCall,
+
+ /**
+ * PrintpageHeader prints the surrounding information like iconbar, header etc.
+ * by default, output_headers() is called.
+ *
+ */
+ PrintViewHeader_func PrintPageHeader,
+
+ /**
+ * PrintViewHeader is here to print informations infront of your messages.
+ * The message list is already loaded & sorted (if) so you can evaluate
+ * its result on the SharedMessageStatus struct.
+ */
+ PrintViewHeader_func PrintViewHeader,
+
+ /**
+ * LH is the function, you specify if you want to load more than just message
+ * numbers from the server during the listing fetch operation.
+ */
+ load_msg_ptrs_detailheaders LH,
+
+ /**
+ * LoadMsgFromServer is called for every message in the message list:
+ * * which is
+ * * after 'startmsg'
+ * * up to 'maxmsgs' after your 'startmsg'
+ * * it should load and parse messages from citserer.
+ * * depending on your needs you might want to print your message here...
+ * * if cmd was empty, its skipped alltogether.
+ */
+ LoadMsgFromServer_func LoadMsgFromServer,
+
+ /**
+ * RenderView_or_Tail is called last;
+ * * if you used PrintViewHeader to print messages, you might want to print
+ * trailing information here
+ * * if you just pre-loaded your messages, put your render code here.
+ */
+ RenderView_or_Tail_func RenderView_or_Tail,
+
+ /**
+ * ViewCleanup should just clear your private data so all your mem can go back to
+ * VALgrindHALLA.
+ * it also should release the content for delivery via end_burst() or wDumpContent(1);
+ */
+ View_Cleanup_func ViewCleanup,
+ /**
+ * brofwseListFields schould be a NULL-terminated list of message field mnemonics
+ * that will be the browse vector for the message header list.
+ */
+ const char **browseListFields
+ );
+/*
+GetParamsGetServerCall
+
+PrintViewHeader
+
+LoadMsgFromServer
+
+RenderView_or_Tail
+*/
+
+
+int ParseMessageListHeaders_Detail(StrBuf *Line,
+ const char **pos,
+ message_summary *Msg,
+ StrBuf *ConversionBuffer,
+ void **ViewSpecific);
+
+/**
+ * @brief function to register the availability to render a specific message
+ * @param HeaderName Mimetype we know howto display
+ * @param HdrNLen length...
+ * @param InlineRenderable Should we announce to citserver that we want to receive these mimeparts immediately?
+ * @param Priority if multipart/alternative; which mimepart/Renderer should be prefered? (only applies if InlineRenderable)
+ */
+void RegisterMimeRenderer(const char *HeaderName, long HdrNLen,
+ RenderMimeFunc MimeRenderer,
+ int InlineRenderable,
+ int Priority);
+
+
+/**
+ * @brief fill the header parts of Msg with the headers loaded by MSG0
+ * @param Msg empty message struct, only preinitialized with the msgid
+ * @param FoundCharset buffer with the prefered charset of the headers
+ * @param buf linebuffer used to buffer citserver replies
+ */
+int ReadOneMessageSummary(message_summary *Msg, StrBuf *FoundCharset, StrBuf *Buf);
+
+#endif
projects / citadel.git / blobdiff