new func. Parses message header zone and returns a Glist of all header

1999-05-26  bertrand  <Bertrand.Guiheneuf@inria.fr>

	* camel/gmime-utils.c (get_header_lines_from_file):
	new func. Parses message header zone and returns
	a Glist of all header lines.

	* tests/test2.c: tests message parsing

	* camel/gmime-utils.c (write_header_table_to_file):
	new func to write a table of headers.

svn path=/trunk/; revision=948

ChangeLog

@@ -1,3 +1,14 @@
+1999-05-26  bertrand  <Bertrand.Guiheneuf@inria.fr>
+
+	* camel/gmime-utils.c (get_header_lines_from_file): 
+	new func. Parses message header zone and returns
+	a Glist of all header lines.
+
+	* tests/test2.c: tests message parsing
+
+	* camel/gmime-utils.c (write_header_table_to_file): 
+	new func to write a table of headers.
+
 1999-05-20  bertrand  <Bertrand.Guiheneuf@inria.fr>
 
 	* camel/camel-mime-message.c (_write_to_file): 

camel/camel-mime-message.c

@@ -495,28 +495,10 @@ _write_one_recipient_to_file (gpointer key, gpointer value, gpointer user_data)
 {
 	GString *recipient_type = (GString *)key;
 	GList *recipients = (GList *)value;
-	GString *current;
+	//	GString *current;
 	FILE *file = (FILE *)user_data;
-
-	if ( (recipient_type) && (recipient_type->str) && 
-	     (recipients) )
-		{
-			gboolean first;
-
-			fprintf(file, "%s: ", recipient_type->str);
-			first = TRUE;
-			while (recipients) {
-				current = (GString *)recipients->data;
-				if ( (current) && (current->str) ) {
-					if (!first) fprintf(file, ", ");
-					else first = FALSE;
-					fprintf(file, "%s", current->str);
-				}
-				recipients = g_list_next(recipients);
-				
-			}
-			fprintf(file, "\n");
-		}
+	if ( (recipient_type) && (recipient_type->str) )
+	     write_header_with_glist_to_file (file, recipient_type->str, recipients);
 }
 
 static void

camel/camel-mime-part.c

@@ -1,8 +1,6 @@
 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
 /* camelMimePart.c : Abstract class for a mime_part */
 
-/** THIS IS MOSTLY AN ABSTRACT CLASS THAT SHOULD HAVE BEEN AN
-    INTERFACE. **/
 
 /* 
  *
@@ -485,6 +483,9 @@ _write_content_to_file (CamelMimePart *mime_part, FILE *file)
 }
 
 
+
+
+
 static void
 _write_to_file(CamelDataWrapper *data_wrapper, FILE *file)
 {
@@ -495,6 +496,8 @@ _write_to_file(CamelDataWrapper *data_wrapper, FILE *file)
 	WHPTF (file, "Content-Description", mp->description);
 	WHPTF (file, "Content-MD5", mp->content_MD5);
 	WHPTF (file, "Content-id", mp->content_id);
+	write_header_with_glist_to_file (file, "Content-Language", mp->content_languages);
+	write_header_table_to_file (file, mp->headers);
 	fprintf(file,"\n");
 	if (mp->content) camel_data_wrapper_write_to_file (mp->content, file);
 	

camel/gmime-utils.c

@@ -25,7 +25,7 @@
 
 #include "gmime-utils.h"
 void
-gmime_write_header_pair_to_file(FILE* file, gchar* name, GString *value)
+gmime_write_header_pair_to_file (FILE* file, gchar* name, GString *value)
 {
 	g_assert(name);
 
@@ -34,3 +34,116 @@ gmime_write_header_pair_to_file(FILE* file, gchar* name, GString *value)
 }
 
 
+static void
+_write_one_header_to_file (gpointer key, gpointer value, gpointer user_data)
+{
+	GString *header_name = (GString *)key;
+	GString *header_value = (GString *)value;
+	FILE *file = (FILE *)user_data;
+
+	if ( (header_name) && (header_name->str) && 
+	     (header_value) && (header_value->str) )
+		fprintf(file, "%s: %s\n", header_name->str, header_value->str);		
+}
+
+void 
+write_header_table_to_file (FILE *file, GHashTable *header_table)
+{
+	g_hash_table_foreach (header_table, 
+			      _write_one_header_to_file, 
+			      (gpointer)file);
+}
+
+
+void 
+write_header_with_glist_to_file (FILE *file, gchar *header_name, GList *header_values)
+{
+	
+	GString *current;
+	
+	if ( (header_name) && (header_values) )
+		{
+			gboolean first;
+			
+			fprintf(file, "%s: ", header_name);
+			first = TRUE;
+			while (header_values) {
+				current = (GString *)header_values->data;
+				if ( (current) && (current->str) ) {
+					if (!first) fprintf(file, ", ");
+					else first = FALSE;
+					fprintf(file, "%s", current->str);
+				}
+				header_values = g_list_next(header_values);
+			}
+			fprintf(file, "\n");
+		}
+	
+}	
+
+
+
+
+
+/* * * * * * * * * * * */
+/* scanning functions  */
+
+
+GList *
+get_header_lines_from_file (FILE *file)
+{
+	int next_char;
+
+	gboolean crlf = FALSE;
+	gboolean end_of_header_line = FALSE;
+	gboolean end_of_headers = FALSE;
+	gboolean end_of_file = FALSE;
+	GString *header_line=NULL;
+	GList *header_lines=NULL;
+
+	next_char = fgetc (file);
+	do {
+		header_line = g_string_new("");
+		end_of_header_line = FALSE;
+		crlf = FALSE;
+		
+		/* read a whole header line */
+		do {
+			switch (next_char) {
+			case EOF:
+				end_of_file=TRUE;
+				end_of_header_line = TRUE;
+				break;
+			case '\n': /* a blank line means end of headers */
+				if (crlf) {
+					end_of_headers=TRUE;
+					end_of_header_line = TRUE;
+				}
+				else crlf = TRUE;
+				break;
+			case ' ':
+			case 't':
+				if (crlf) crlf = FALSE;
+				
+			default:
+				if (!crlf) header_line = g_string_append_c (header_line, next_char);
+				else end_of_header_line = TRUE;
+			}
+			/* if we have read a whole header line, we have also read
+			   the first character of the next line to be sure the 
+			   crlf was not followed by a space or a tab char */
+			if (!end_of_header_line) next_char = fgetc (file);
+
+		} while ( !end_of_header_line );
+		
+		if ( strlen(header_line->str) ) 
+			header_lines = g_list_append (header_lines, header_line);
+		else 
+			g_string_free (header_line, FALSE);
+
+	} while ( (!end_of_headers) && (!end_of_file) );
+
+	return header_lines;
+}
+		
+		

camel/gmime-utils.h

@@ -34,8 +34,11 @@ extern "C" {
 #include <glib.h>
 #include <stdio.h>
 
-void gmime_write_header_pair_to_file(FILE* file, gchar* name, GString *value);
+void gmime_write_header_pair_to_file (FILE* file, gchar* name, GString *value);
+void write_header_table_to_file (FILE *file, GHashTable *header_table);
+void write_header_with_glist_to_file (FILE *file, gchar *header_name, GList *header_values);
 
+GList *get_header_lines_from_file (FILE *file);
 
 
 

tests/Makefile.am

@@ -8,6 +8,7 @@ LDADD = \
 	$(GNOME_LIBDIR) 		\
 	$(GNOMEUI_LIBS) $(INTLLIBS)
 
-noinst_PROGRAMS =  \
-	test1
+noinst_PROGRAMS =  	\
+	test1		\
+	test2
 

tests/test1.c

@@ -11,6 +11,10 @@ main (int argc, char**argv)
 	gtk_init (&argc, &argv);
 	message = camel_mime_message_new_with_session( (CamelSession *)NULL);
 	camel_mime_part_set_description (CAMEL_MIME_PART (message), g_string_new ("a test"));
+	camel_mime_part_add_header (CAMEL_MIME_PART (message), g_string_new ("X-test1"), g_string_new ("the value of a test"));
+	camel_mime_part_add_header (CAMEL_MIME_PART (message), g_string_new ("X-test2"), g_string_new ("the value of another test"));
+	/*camel_mime_part_add_content_language (CAMEL_MIME_PART (message), g_string_new ("es-ca"));*/
+
 	camel_mime_message_set_received_date (message, g_string_new ("Thu, 20 May 1999, 10:39:14 +0200"));
 	camel_mime_message_set_subject (message, g_string_new ("A test message"));
 	camel_mime_message_set_reply_to (message, g_string_new ("toto@toto.com"));
@@ -19,12 +23,9 @@ main (int argc, char**argv)
 	camel_mime_message_add_recipient (message, g_string_new (RECIPIENT_TYPE_TO), g_string_new ("franck.dechamps@alseve.fr"));
 	camel_mime_message_add_recipient (message, g_string_new (RECIPIENT_TYPE_TO), g_string_new ("mc@alseve.fr"));
 	camel_mime_message_add_recipient (message, g_string_new (RECIPIENT_TYPE_TO), g_string_new ("richard.lengagne@inria.fr"));
-
 	camel_mime_message_add_recipient (message, g_string_new (RECIPIENT_TYPE_CC), g_string_new ("Francois.fleuret@inria.fr"));
 	camel_mime_message_add_recipient (message, g_string_new (RECIPIENT_TYPE_CC), g_string_new ("maury@justmagic.com"));
-
  	camel_mime_message_add_recipient (message, g_string_new (RECIPIENT_TYPE_BCC), g_string_new ("guiheneu@aful.org"));
- 
 
 	output_file = fopen ("mail.test", "w");
 	if (!output_file) {

tests/test2.c

@@ -0,0 +1,36 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* tests mime message file parsing */
+#include "gmime-utils.h"
+#include "stdio.h"
+
+void print_header_line (gpointer data, gpointer user_data)
+{
+	GString *header_line = (GString *)data;
+	printf("\n--------- New Header ----------\n");
+	if  ((header_line) && (header_line->str))
+		printf("%s\n", header_line->str);
+	printf("--------- End -----------------\n"); 
+}
+
+void
+main (int argc, char**argv)
+{
+	FILE *input_file;
+	GList *header_lines;
+
+	
+	gtk_init (&argc, &argv);
+	
+	input_file = fopen ("mail.test", "r");
+	if (!input_file) {
+		perror("could not open input file");
+		exit(2);
+	}
+	
+	header_lines = get_header_lines_from_file (input_file);
+	if (header_lines) g_list_foreach (header_lines, print_header_line, NULL);
+	else printf("header is empty, no header line present\n");
+	fclose (input_file);
+	
+
+}