Initial revision

svn path=/trunk/; revision=5011

1 files changed, 325 insertions, 0 deletions

diff --git a/libical/src/libical/icalmime.c b/libical/src/libical/icalmime.c
new file mode 100644
index 0000000000..a3fb7deaef
--- /dev/null
+++ b/libical/src/libical/icalmime.c
@@ -0,0 +1,325 @@
+/* -*- Mode: C -*-*/
+/*======================================================================
+ FILE: icalmime.c
+ CREATOR: eric 26 July 2000
+
+
+ $Id$
+ $Locker$
+
+ (C) COPYRIGHT 2000, Eric Busboom, http://www.softwarestudio.org
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of either: 
+
+    The LGPL as published by the Free Software Foundation, version
+    2.1, available at: http://www.fsf.org/copyleft/lesser.html
+
+  Or:
+
+    The Mozilla Public License Version 1.0. You may obtain a copy of
+    the License at http://www.mozilla.org/MPL/
+
+ The Original Code is eric. The Initial Developer of the Original
+ Code is Eric Busboom
+
+
+======================================================================*/
+
+#include "icalmime.h"
+#include "sspm.h"
+#include "stdlib.h"
+
+#ifdef DMALLOC
+#include "dmalloc.h"
+#endif
+
+
+/* These *_part routines are called by the MIME parser via the
+   local_action_map */
+
+struct text_part
+{
+	char* buf;
+	char* buf_pos;
+	size_t buf_size;
+};
+
+void* icalmime_text_new_part()
+{
+
+#define BUF_SIZE 2048
+
+    struct text_part* impl;
+
+    if ( ( impl = (struct text_part*)
+	   malloc(sizeof(struct text_part))) == 0) {
+	return 0;
+    }
+
+    impl->buf =  icalmemory_new_buffer(BUF_SIZE);
+    impl->buf_pos = impl->buf;
+    impl->buf_size = BUF_SIZE;
+
+    return impl;    
+}
+void icalmime_text_add_line(void *part, 
+			    struct sspm_header *header, 
+			    char* line, size_t size)
+{
+    struct text_part* impl = (struct text_part*) part;
+
+    icalmemory_append_string(&(impl->buf),&(impl->buf_pos),
+			     &(impl->buf_size),line);
+    
+}
+
+void* icalmime_textcalendar_end_part(void* part)
+{
+
+    struct text_part* impl = (struct text_part*) part;
+    icalcomponent *c = icalparser_parse_string(impl->buf);
+
+    icalmemory_free_buffer(impl->buf);
+    free(impl);
+
+    return c;
+
+}
+
+void* icalmime_text_end_part(void* part)
+{
+    struct text_part* impl = ( struct text_part*) part;
+
+    icalmemory_add_tmp_buffer(impl->buf);
+    free(impl);
+
+    return impl->buf;
+}
+
+void icalmime_text_free_part(void *part)
+{
+}
+
+
+/* Ignore Attachments for now */
+
+void* icalmime_attachment_new_part()
+{
+    return 0;
+}
+void icalmime_attachment_add_line(void *part, struct sspm_header *header, 
+				  char* line, size_t size)
+{
+}
+
+void* icalmime_attachment_end_part(void* part)
+{
+    return 0;
+}
+
+void icalmime_attachment_free_part(void *part)
+{
+}
+
+
+
+
+struct sspm_action_map icalmime_local_action_map[] = 
+{
+    {SSPM_TEXT_MAJOR_TYPE,SSPM_CALENDAR_MINOR_TYPE,icalmime_text_new_part,icalmime_text_add_line,icalmime_textcalendar_end_part,icalmime_text_free_part},
+    {SSPM_TEXT_MAJOR_TYPE,SSPM_ANY_MINOR_TYPE,icalmime_text_new_part,icalmime_text_add_line,icalmime_text_end_part,icalmime_text_free_part},
+    {SSPM_APPLICATION_MAJOR_TYPE,SSPM_CALENDAR_MINOR_TYPE,icalmime_attachment_new_part,icalmime_attachment_add_line,icalmime_attachment_end_part,icalmime_attachment_free_part},
+    {SSPM_IMAGE_MAJOR_TYPE,SSPM_CALENDAR_MINOR_TYPE,icalmime_attachment_new_part,icalmime_attachment_add_line,icalmime_attachment_end_part,icalmime_attachment_free_part},
+    {SSPM_AUDIO_MAJOR_TYPE,SSPM_CALENDAR_MINOR_TYPE,icalmime_attachment_new_part,icalmime_attachment_add_line,icalmime_attachment_end_part,icalmime_attachment_free_part},
+    {SSPM_IMAGE_MAJOR_TYPE,SSPM_CALENDAR_MINOR_TYPE,icalmime_attachment_new_part,icalmime_attachment_add_line,icalmime_attachment_end_part,icalmime_attachment_free_part},
+   {SSPM_UNKNOWN_MAJOR_TYPE,SSPM_UNKNOWN_MINOR_TYPE,0,0,0,0}
+};
+
+
+icalcomponent* icalmime_parse(char* (*get_string)(char *s, size_t size, 
+						       void *d),
+				void *data)
+{
+
+#define NUM_PARTS 100 /* HACK. Hard Limit */
+
+    struct sspm_part *parts;
+    int i, last_level=0;
+    icalcomponent *root=0, *parent=0, *comp=0, *last = 0;
+
+    if ( (parts = (struct sspm_part *)
+	  malloc(NUM_PARTS*sizeof(struct sspm_part)))==0) {
+	icalerror_set_errno(ICAL_NEWFAILED_ERROR);
+	return 0;
+    }
+
+    memset(parts,0,sizeof(parts));
+
+    sspm_parse_mime(parts, 
+		    NUM_PARTS, /* Max parts */
+		    icalmime_local_action_map, /* Actions */ 
+		    get_string,
+		    data, /* data for get_string*/
+		    0 /* First header */);
+
+
+
+    for(i = 0; i <NUM_PARTS && parts[i].header.major != SSPM_NO_MAJOR_TYPE ; i++){
+
+#define TMPSZ 1024
+	char mimetype[TMPSZ];			       
+	char* major = sspm_major_type_string(parts[i].header.major);
+	char* minor = sspm_minor_type_string(parts[i].header.minor);
+
+	if(parts[i].header.minor == SSPM_UNKNOWN_MINOR_TYPE ){
+	    assert(parts[i].header.minor_text !=0);
+	    minor = parts[i].header.minor_text;
+	}
+	
+	sprintf(mimetype,"%s/%s",major,minor);
+
+	printf("%d: %-10s %p\n",parts[i].level,mimetype,data);
+
+	comp = icalcomponent_new(ICAL_XLICMIMEPART_COMPONENT);
+
+	if(comp == 0){
+	    /* HACK Handle Error */
+	    assert(0);
+	}
+
+	if(parts[i].header.error!=SSPM_NO_ERROR){
+	    char *str;
+	    char* temp[256];
+
+	    if(parts[i].header.error==SSPM_UNEXPECTED_BOUNDARY_ERROR){
+		str = "Got an unexpected boundary, possibly due to a MIME header for a MULTIPART part that is missing the Content-Type line";
+	    }
+
+	    if(parts[i].header.error==SSPM_WRONG_BOUNDARY_ERROR){
+		str = "Got the wrong boundary for the opening of a MULTIPART part.";
+	    }
+
+	    if(parts[i].header.error==SSPM_NO_BOUNDARY_ERROR){
+		str = "Got a multipart header that did not specify a boundary";
+	    }
+
+	    if(parts[i].header.error==SSPM_NO_HEADER_ERROR){
+		str = "Did not get a header for the part. Is there a blank
+line between the header and the previous boundary?";
+
+	    }
+
+	    if(parts[i].header.error_text != 0){
+		snprintf((char*)temp,256,
+			 "%s: %s",str,parts[i].header.error_text);
+	    } else {
+		strcpy((char*)temp,str);
+	    }
+
+	    icalcomponent_add_property
+		(comp,
+		 icalproperty_vanew_xlicerror(
+		     (char*)temp,
+		     icalparameter_new_xlicerrortype(
+			 ICAL_XLICERRORTYPE_MIMEPARSEERROR),
+		     0));  
+	}
+
+#if 0
+	icalcomponent_add_property(comp,
+	   icalproperty_new_xlicmimecontenttype((char*)icalmemory_strdup(mimetype)));
+
+	if (parts[i].header.encoding != 0){
+	    icalcomponent_add_property(comp,
+	       icalproperty_new_xlicmimeencoding(parts[i].header.encoding));
+	}
+#endif 
+
+	if (parts[i].header.filename != 0){
+	    icalcomponent_add_property(comp,
+	       icalproperty_new_xlicmimefilename(parts[i].header.filename));
+	}
+
+	if (parts[i].header.content_id != 0){
+	    icalcomponent_add_property(comp,
+	       icalproperty_new_xlicmimecid(parts[i].header.content_id));
+	}
+
+	if (parts[i].header.charset != 0){
+	    icalcomponent_add_property(comp,
+	       icalproperty_new_xlicmimecharset(parts[i].header.charset));
+	}
+
+	/* Add iCal components as children of the component */
+	if(parts[i].header.major == SSPM_TEXT_MAJOR_TYPE &&
+	   parts[i].header.minor == SSPM_CALENDAR_MINOR_TYPE &&
+	   parts[i].data != 0){
+
+	    icalcomponent_add_component(comp,
+					(icalcomponent*)parts[i].data);
+	    parts[i].data = 0;
+
+	} else 	if(parts[i].header.major == SSPM_TEXT_MAJOR_TYPE &&
+	   parts[i].header.minor != SSPM_CALENDAR_MINOR_TYPE &&
+	   parts[i].data != 0){
+
+	    /* Add other text components as "DESCRIPTION" properties */
+
+	    icalcomponent_add_property(comp,
+               icalproperty_new_description(
+		   (char*)icalmemory_strdup((char*)parts[i].data)));
+
+	    parts[i].data = 0;
+	}
+	
+
+	if(root!= 0 && parts[i].level == 0){
+	    /* We've already assigned the root, but there is another
+               part at the root level. This is probably a parse
+               error*/
+	    icalcomponent_free(comp);
+	    continue;
+	}
+
+	if(parts[i].level == last_level && last_level != 0){
+	    icalerror_assert(parent!=0,"No parent for adding component");
+
+	    icalcomponent_add_component(parent,comp);
+
+	} else if (parts[i].level == last_level && last_level == 0 &&
+	    root == 0) {
+
+	    root = comp;
+	    parent = comp;
+
+	} else if (parts[i].level > last_level){	    
+
+	    parent = last;
+	    icalcomponent_add_component(parent,comp);
+
+	    last_level = parts[i].level;
+
+	} else if (parts[i].level < last_level){
+
+	    parent = icalcomponent_get_parent(parent);
+	    icalcomponent_add_component(parent,comp);
+
+	    last_level = parts[i].level;
+	} else { 
+	    assert(0);
+	}
+
+	last = comp;
+	last_level = parts[i].level;
+	assert(parts[i].data == 0);
+    }
+
+    sspm_free_parts(parts,NUM_PARTS);
+    free(parts);
+
+    return root;
+}
+
+
+