diff options
Diffstat (limited to 'mailnews/mime/src/mimecont.cpp')
| -rw-r--r-- | mailnews/mime/src/mimecont.cpp | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/mailnews/mime/src/mimecont.cpp b/mailnews/mime/src/mimecont.cpp new file mode 100644 index 000000000..c5755a87f --- /dev/null +++ b/mailnews/mime/src/mimecont.cpp @@ -0,0 +1,218 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#include "prmem.h" +#include "plstr.h" +#include "prlog.h" +#include "prio.h" +#include "mimecont.h" +#include "nsMimeStringResources.h" + +#define MIME_SUPERCLASS mimeObjectClass +MimeDefClass(MimeContainer, MimeContainerClass, + mimeContainerClass, &MIME_SUPERCLASS); + +static int MimeContainer_initialize (MimeObject *); +static void MimeContainer_finalize (MimeObject *); +static int MimeContainer_add_child (MimeObject *, MimeObject *); +static int MimeContainer_parse_eof (MimeObject *, bool); +static int MimeContainer_parse_end (MimeObject *, bool); +static bool MimeContainer_displayable_inline_p (MimeObjectClass *clazz, + MimeHeaders *hdrs); + +#if defined(DEBUG) && defined(XP_UNIX) +static int MimeContainer_debug_print (MimeObject *, PRFileDesc *, int32_t depth); +#endif + +static int +MimeContainerClassInitialize(MimeContainerClass *clazz) +{ + MimeObjectClass *oclass = (MimeObjectClass *) &clazz->object; + + NS_ASSERTION(!oclass->class_initialized, "1.1 <rhp@netscape.com> 19 Mar 1999 12:00"); + oclass->initialize = MimeContainer_initialize; + oclass->finalize = MimeContainer_finalize; + oclass->parse_eof = MimeContainer_parse_eof; + oclass->parse_end = MimeContainer_parse_end; + oclass->displayable_inline_p = MimeContainer_displayable_inline_p; + clazz->add_child = MimeContainer_add_child; + +#if defined(DEBUG) && defined(XP_UNIX) + oclass->debug_print = MimeContainer_debug_print; +#endif + return 0; +} + + +static int +MimeContainer_initialize (MimeObject *object) +{ + /* This is an abstract class; it shouldn't be directly instantiated. */ + NS_ASSERTION(object->clazz != (MimeObjectClass *) &mimeContainerClass, "1.1 <rhp@netscape.com> 19 Mar 1999 12:00"); + + return ((MimeObjectClass*)&MIME_SUPERCLASS)->initialize(object); +} + +static void +MimeContainer_finalize (MimeObject *object) +{ + MimeContainer *cont = (MimeContainer *) object; + + /* Do this first so that children have their parse_eof methods called + in forward order (0-N) but are destroyed in backward order (N-0) + */ + if (!object->closed_p) + object->clazz->parse_eof (object, false); + if (!object->parsed_p) + object->clazz->parse_end (object, false); + + if (cont->children) + { + int i; + for (i = cont->nchildren-1; i >= 0; i--) + { + MimeObject *kid = cont->children[i]; + if (kid) + mime_free(kid); + cont->children[i] = 0; + } + PR_FREEIF(cont->children); + cont->nchildren = 0; + } + ((MimeObjectClass*)&MIME_SUPERCLASS)->finalize(object); +} + +static int +MimeContainer_parse_eof (MimeObject *object, bool abort_p) +{ + MimeContainer *cont = (MimeContainer *) object; + int status; + + /* We must run all of this object's parent methods first, to get all the + data flushed down its stream, so that the children's parse_eof methods + can access it. We do not access *this* object again after doing this, + only its children. + */ + status = ((MimeObjectClass*)&MIME_SUPERCLASS)->parse_eof(object, abort_p); + if (status < 0) return status; + + if (cont->children) + { + int i; + for (i = 0; i < cont->nchildren; i++) + { + MimeObject *kid = cont->children[i]; + if (kid && !kid->closed_p) + { + int lstatus = kid->clazz->parse_eof(kid, abort_p); + if (lstatus < 0) return lstatus; + } + } + } + return 0; +} + +static int +MimeContainer_parse_end (MimeObject *object, bool abort_p) +{ + MimeContainer *cont = (MimeContainer *) object; + int status; + + /* We must run all of this object's parent methods first, to get all the + data flushed down its stream, so that the children's parse_eof methods + can access it. We do not access *this* object again after doing this, + only its children. + */ + status = ((MimeObjectClass*)&MIME_SUPERCLASS)->parse_end(object, abort_p); + if (status < 0) return status; + + if (cont->children) + { + int i; + for (i = 0; i < cont->nchildren; i++) + { + MimeObject *kid = cont->children[i]; + if (kid && !kid->parsed_p) + { + int lstatus = kid->clazz->parse_end(kid, abort_p); + if (lstatus < 0) return lstatus; + } + } + } + return 0; +} + +static int +MimeContainer_add_child (MimeObject *parent, MimeObject *child) +{ + MimeContainer *cont = (MimeContainer *) parent; + MimeObject **old_kids, **new_kids; + + NS_ASSERTION(parent && child, "1.1 <rhp@netscape.com> 19 Mar 1999 12:00"); + if (!parent || !child) return -1; + + old_kids = cont->children; + new_kids = (MimeObject **)PR_MALLOC(sizeof(MimeObject *) * (cont->nchildren + 1)); + if (!new_kids) return MIME_OUT_OF_MEMORY; + + if (cont->nchildren > 0) + memcpy(new_kids, old_kids, sizeof(MimeObject *) * cont->nchildren); + new_kids[cont->nchildren] = child; + PR_Free(old_kids); + cont->children = new_kids; + cont->nchildren++; + + child->parent = parent; + + /* Copy this object's options into the child. */ + child->options = parent->options; + + return 0; +} + +static bool +MimeContainer_displayable_inline_p (MimeObjectClass *clazz, MimeHeaders *hdrs) +{ + return true; +} + + +#if defined(DEBUG) && defined(XP_UNIX) +static int +MimeContainer_debug_print (MimeObject *obj, PRFileDesc *stream, int32_t depth) +{ + MimeContainer *cont = (MimeContainer *) obj; + int i; + char *addr = mime_part_address(obj); + for (i=0; i < depth; i++) + PR_Write(stream, " ", 2); + /* + PR_Write(stream, "<%s %s (%d kid%s) 0x%08X>\n", + obj->clazz->class_name, + addr ? addr : "???", + cont->nchildren, (cont->nchildren == 1 ? "" : "s"), + (uint32_t) cont); + */ + PR_FREEIF(addr); + +/* + if (cont->nchildren > 0) + fprintf(stream, "\n"); + */ + + for (i = 0; i < cont->nchildren; i++) + { + MimeObject *kid = cont->children[i]; + int status = kid->clazz->debug_print (kid, stream, depth+1); + if (status < 0) return status; + } + +/* + if (cont->nchildren > 0) + fprintf(stream, "\n"); + */ + + return 0; +} +#endif |