diff options
Diffstat (limited to 'camel/providers/imapp/camel-imapp-fetch-stream.c')
| -rw-r--r-- | camel/providers/imapp/camel-imapp-fetch-stream.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/camel/providers/imapp/camel-imapp-fetch-stream.c b/camel/providers/imapp/camel-imapp-fetch-stream.c new file mode 100644 index 0000000000..bf18aac57b --- /dev/null +++ b/camel/providers/imapp/camel-imapp-fetch-stream.c @@ -0,0 +1,183 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; fill-column: 160 -*- + * + * Author: + * Michael Zucchi <notzed@ximian.com> + * + * Copyright 1999, 2000 Ximian, Inc. (www.ximian.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <string.h> +#include <stdio.h> +#include <ctype.h> +#include <errno.h> + +#include <glib.h> + +#include <camel/camel-stream-mem.h> + +#include "camel-imapp-stream.h" +#include "camel-imapp-exception.h" + +#define t(x) +#define io(x) x + +static CamelObjectClass *parent_class = NULL; + +/* Returns the class for a CamelStream */ +#define CS_CLASS(so) CAMEL_IMAPP_FETCH_STREAM_CLASS(CAMEL_OBJECT_GET_CLASS(so)) + +static ssize_t +stream_read(CamelStream *stream, char *buffer, size_t n) +{ + CamelIMAPPFetchStream *is = (CamelIMAPPFetchStream *)stream; + ssize_t max; + + /* make sure we have all the data read in */ + while (camel_imapp_engine_iterate(is->engine, is->command)>0) + ; + + if (is->literal == 0 || n == 0) + return 0; + + max = is->end - is->ptr; + if (max > 0) { + max = MIN(max, is->literal); + max = MIN(max, n); + memcpy(buffer, is->ptr, max); + is->ptr += max; + } else { + max = MIN(is->literal, n); + max = camel_stream_read(is->source, buffer, max); + if (max <= 0) + return max; + } + + is->literal -= max; + + return max; +} + +static ssize_t +stream_write(CamelStream *stream, const char *buffer, size_t n) +{ + CamelIMAPPFetchStream *is = (CamelIMAPPFetchStream *)stream; + + return camel_stream_write(is->source, buffer, n); +} + +static int +stream_close(CamelStream *stream) +{ + /* nop? */ + return 0; +} + +static int +stream_flush(CamelStream *stream) +{ + /* nop? */ + return 0; +} + +static gboolean +stream_eos(CamelStream *stream) +{ + CamelIMAPPFetchStream *is = (CamelIMAPPFetchStream *)stream; + + return is->literal == 0; +} + +static int +stream_reset(CamelStream *stream) +{ + /* nop? reset literal mode? */ + return 0; +} + +static void +camel_imapp_fetch_stream_class_init (CamelStreamClass *camel_imapp_fetch_stream_class) +{ + CamelStreamClass *camel_stream_class = (CamelStreamClass *)camel_imapp_fetch_stream_class; + + parent_class = camel_type_get_global_classfuncs( CAMEL_OBJECT_TYPE ); + + /* virtual method definition */ + camel_stream_class->read = stream_read; + camel_stream_class->write = stream_write; + camel_stream_class->close = stream_close; + camel_stream_class->flush = stream_flush; + camel_stream_class->eos = stream_eos; + camel_stream_class->reset = stream_reset; +} + +static void +camel_imapp_fetch_stream_init(CamelIMAPPFetchStream *is, CamelIMAPPFetchStreamClass *isclass) +{ + ; +} + +static void +camel_imapp_fetch_stream_finalise(CamelIMAPPFetchStream *is) +{ + if (is->engine) + camel_object_unref(is->engine); +} + +CamelType +camel_imapp_fetch_stream_get_type (void) +{ + static CamelType camel_imapp_fetch_stream_type = CAMEL_INVALID_TYPE; + + if (camel_imapp_fetch_stream_type == CAMEL_INVALID_TYPE) { + setup_table(); + camel_imapp_fetch_stream_type = camel_type_register( camel_stream_get_type(), + "CamelIMAPPFetchStream", + sizeof( CamelIMAPPFetchStream ), + sizeof( CamelIMAPPFetchStreamClass ), + (CamelObjectClassInitFunc) camel_imapp_fetch_stream_class_init, + NULL, + (CamelObjectInitFunc) camel_imapp_fetch_stream_init, + (CamelObjectFinalizeFunc) camel_imapp_fetch_stream_finalise ); + } + + return camel_imapp_fetch_stream_type; +} + +/** + * camel_imapp_fetch_stream_new: + * + * Return value: the stream + **/ +CamelStream * +camel_imapp_fetch_stream_new(CamelIMAPPEngine *ie, const char *uid, const char *body) +{ + CamelIMAPPFetchStream *is; + + is = (CamelIMAPPFetchStream *)camel_object_new(camel_imapp_fetch_stream_get_type ()); + is->engine = ie; + camel_object_ref(ie); + + is->command = camel_imapp_engine_command_new(ie, "FETCH", NULL, "FETCH %t (BODY[%t]<0.4096>", uid, body); + camel_imapp_engine_command_queue(ie, command); + + return (CamelStream *)is; +} + |