summaryrefslogtreecommitdiff
path: root/frontends/amiga/filetype.c
diff options
context:
space:
mode:
Diffstat (limited to 'frontends/amiga/filetype.c')
-rw-r--r--frontends/amiga/filetype.c647
1 files changed, 647 insertions, 0 deletions
diff --git a/frontends/amiga/filetype.c b/frontends/amiga/filetype.c
new file mode 100644
index 000000000..39058b41c
--- /dev/null
+++ b/frontends/amiga/filetype.c
@@ -0,0 +1,647 @@
+/*
+ * Copyright 2008, 2011 Chris Young <chris@unsatisfactorysoftware.co.uk>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "amiga/os3support.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include "amiga/filetype.h"
+#include "amiga/misc.h"
+#include "amiga/object.h"
+#include "content/fetch.h"
+#include "content/content.h"
+#include "utils/log.h"
+#include "utils/utils.h"
+#include <proto/icon.h>
+#include <proto/dos.h>
+#include <proto/datatypes.h>
+#include <proto/exec.h>
+#include <workbench/icon.h>
+
+/**
+ * filetype -- determine the MIME type of a local file
+ */
+
+struct MinList *ami_mime_list = NULL;
+
+struct ami_mime_entry
+{
+ lwc_string *mimetype;
+ lwc_string *datatype;
+ lwc_string *filetype;
+ lwc_string *plugincmd;
+};
+
+enum
+{
+ AMI_MIME_MIMETYPE,
+ AMI_MIME_DATATYPE,
+ AMI_MIME_FILETYPE,
+ AMI_MIME_PLUGINCMD
+};
+
+const char *fetch_filetype(const char *unix_path)
+{
+ static char mimetype[50];
+ struct DiskObject *dobj = NULL;
+ struct DataType *dtn;
+ BOOL found = FALSE;
+ lwc_string *lwc_mimetype;
+
+ /* First, check if we appear to have an icon.
+ We'll just do a filename check here for quickness, although the
+ first word ought to be checked against WB_DISKMAGIC really. */
+
+ if(strncmp(unix_path + strlen(unix_path) - 5, ".info", 5) == 0) {
+ strcpy(mimetype,"image/x-amiga-icon");
+ found = TRUE;
+ }
+
+
+ /* Secondly try getting a tooltype "MIMETYPE" and use that as the MIME type.
+ Will fail over to default icons if the file doesn't have a real icon. */
+
+ if(!found) {
+ if((dobj = GetIconTags(unix_path,ICONGETA_FailIfUnavailable,FALSE,
+ TAG_DONE))) {
+ STRPTR ttype = NULL;
+ ttype = FindToolType(dobj->do_ToolTypes, "MIMETYPE");
+ if(ttype) {
+ strcpy(mimetype,ttype);
+ found = TRUE;
+ }
+ FreeDiskObject(dobj);
+ }
+ }
+
+ /* If that didn't work, use the MIME file and DataTypes */
+
+ if(!found) {
+ BPTR lock;
+ if ((lock = Lock(unix_path, ACCESS_READ))) {
+ if ((dtn = ObtainDataTypeA (DTST_FILE, (APTR)lock, NULL))) {
+ if(ami_mime_from_datatype(dtn, &lwc_mimetype, NULL)) {
+ strcpy(mimetype, lwc_string_data(lwc_mimetype));
+ found = TRUE;
+ ReleaseDataType(dtn);
+ }
+ }
+ UnLock(lock);
+ }
+ }
+
+ /* Have a quick check for file extensions (inc RISC OS filetype).
+ * Makes detection a little more robust, and some of the redirects
+ * caused by links in the SVN tree prevent NetSurf from reading the
+ * MIME type from the icon (step two, above).
+ */
+
+ if((!found) || (strcmp("text/plain", mimetype) == 0))
+ {
+ if((strncmp(unix_path + strlen(unix_path) - 4, ".css", 4) == 0) ||
+ (strncmp(unix_path + strlen(unix_path) - 4, ",f79", 4) == 0))
+ {
+ strcpy(mimetype,"text/css");
+ found = TRUE;
+ }
+
+ if((strncmp(unix_path + strlen(unix_path) - 4, ".htm", 4) == 0) ||
+ (strncmp(unix_path + strlen(unix_path) - 5, ".html", 5) == 0) ||
+ (strncmp(unix_path + strlen(unix_path) - 4, ",faf", 4) == 0))
+ {
+ strcpy(mimetype,"text/html");
+ found = TRUE;
+ }
+ if(strncmp(unix_path + strlen(unix_path) - 3, ".js", 3) == 0) {
+ strcpy(mimetype,"application/javascript");
+ found = TRUE;
+ }
+ }
+
+ if(!found) strcpy(mimetype,"text/plain"); /* If all else fails */
+
+ return mimetype;
+}
+
+const char *ami_content_type_to_file_type(content_type type)
+{
+ switch(type)
+ {
+ case CONTENT_HTML:
+ return "html";
+ break;
+
+ case CONTENT_TEXTPLAIN:
+ return "ascii";
+ break;
+
+ case CONTENT_CSS:
+ return "css";
+ break;
+
+ case CONTENT_IMAGE:
+ return "picture";
+ break;
+
+ default:
+ return "project";
+ break;
+ }
+}
+
+static void ami_mime_entry_free(void *nso)
+{
+ struct ami_mime_entry *mimeentry = (struct ami_mime_entry *)nso;
+
+ if(mimeentry->mimetype) lwc_string_unref(mimeentry->mimetype);
+ if(mimeentry->datatype) lwc_string_unref(mimeentry->datatype);
+ if(mimeentry->filetype) lwc_string_unref(mimeentry->filetype);
+ if(mimeentry->plugincmd) lwc_string_unref(mimeentry->plugincmd);
+}
+
+nserror ami_mime_init(const char *mimefile)
+{
+ lwc_error lerror;
+ char buffer[256];
+ BPTR fh = 0;
+ struct RDArgs *rargs = NULL;
+ CONST_STRPTR template = "MIMETYPE/A,DT=DATATYPE/K,TYPE=DEFICON/K,CMD=PLUGINCMD/K";
+ long rarray[] = {0,0,0,0};
+ struct nsObject *node;
+ struct ami_mime_entry *mimeentry;
+
+ LOG("mimetypes file: %s", mimefile);
+
+ if(ami_mime_list == NULL)
+ ami_mime_list = NewObjList();
+
+ rargs = AllocDosObjectTags(DOS_RDARGS,TAG_DONE);
+ if(rargs == NULL) return NSERROR_NOMEM;
+
+ if((fh = FOpen(mimefile, MODE_OLDFILE, 0)))
+ {
+ while((FGets(fh, (STRPTR)&buffer, 256) != 0))
+ {
+ rargs->RDA_Source.CS_Buffer = (char *)&buffer;
+ rargs->RDA_Source.CS_Length = 256;
+ rargs->RDA_Source.CS_CurChr = 0;
+
+ rargs->RDA_DAList = NULL;
+ rargs->RDA_Buffer = NULL;
+ rargs->RDA_BufSiz = 0;
+ rargs->RDA_ExtHelp = NULL;
+ rargs->RDA_Flags = 0;
+
+ rarray[AMI_MIME_MIMETYPE] = 0;
+ rarray[AMI_MIME_DATATYPE] = 0;
+ rarray[AMI_MIME_FILETYPE] = 0;
+ rarray[AMI_MIME_PLUGINCMD] = 0;
+
+ if(ReadArgs(template, rarray, rargs))
+ {
+ if ((node = AddObject(ami_mime_list, AMINS_MIME))) {
+ ObjectCallback(node, ami_mime_entry_free);
+ mimeentry = ami_misc_allocvec_clear(sizeof(struct ami_mime_entry), 0);
+ node->objstruct = mimeentry;
+
+ if(rarray[AMI_MIME_MIMETYPE])
+ {
+ lerror = lwc_intern_string((char *)rarray[AMI_MIME_MIMETYPE],
+ strlen((char *)rarray[AMI_MIME_MIMETYPE]), &mimeentry->mimetype);
+ if (lerror != lwc_error_ok)
+ return NSERROR_NOMEM;
+ }
+
+ if(rarray[AMI_MIME_DATATYPE])
+ {
+ lerror = lwc_intern_string((char *)rarray[AMI_MIME_DATATYPE],
+ strlen((char *)rarray[AMI_MIME_DATATYPE]), &mimeentry->datatype);
+ if (lerror != lwc_error_ok)
+ return NSERROR_NOMEM;
+ }
+
+ if(rarray[AMI_MIME_FILETYPE])
+ {
+ lerror = lwc_intern_string((char *)rarray[AMI_MIME_FILETYPE],
+ strlen((char *)rarray[AMI_MIME_FILETYPE]), &mimeentry->filetype);
+ if (lerror != lwc_error_ok)
+ return NSERROR_NOMEM;
+ }
+
+ if(rarray[AMI_MIME_PLUGINCMD])
+ {
+ lerror = lwc_intern_string((char *)rarray[AMI_MIME_PLUGINCMD],
+ strlen((char *)rarray[AMI_MIME_PLUGINCMD]), &mimeentry->plugincmd);
+ if (lerror != lwc_error_ok)
+ return NSERROR_NOMEM;
+ }
+ }
+ FreeArgs(rargs);
+ }
+ }
+ FClose(fh);
+ }
+ FreeDosObject(DOS_RDARGS, rargs);
+
+ return NSERROR_OK;
+}
+
+void ami_mime_free(void)
+{
+ ami_mime_dump();
+ FreeObjList(ami_mime_list);
+}
+
+/**
+ * Return next matching MIME entry
+ *
+ * \param search lwc_string to search for (or NULL for all)
+ * \param type of value being searched for (AMI_MIME_#?)
+ * \param start_node node to continue search (updated on exit)
+ * \return entry or NULL if no match
+ */
+
+static struct ami_mime_entry *ami_mime_entry_locate(lwc_string *search,
+ int type, struct Node **start_node)
+{
+ struct nsObject *node;
+ struct nsObject *nnode;
+ struct ami_mime_entry *mimeentry;
+ lwc_error lerror;
+ bool ret = false;
+
+ if(IsMinListEmpty(ami_mime_list)) return NULL;
+
+ if(*start_node)
+ {
+ node = (struct nsObject *)GetSucc(*start_node);
+ if(node == NULL) return NULL;
+ }
+ else
+ {
+ node = (struct nsObject *)GetHead((struct List *)ami_mime_list);
+ }
+
+ do
+ {
+ nnode=(struct nsObject *)GetSucc((struct Node *)node);
+ mimeentry = node->objstruct;
+
+ lerror = lwc_error_ok;
+
+ switch(type)
+ {
+ case AMI_MIME_MIMETYPE:
+ if(search != NULL)
+ lerror = lwc_string_isequal(mimeentry->mimetype, search, &ret);
+ else if(mimeentry->mimetype != NULL)
+ ret = true;
+ break;
+
+ case AMI_MIME_DATATYPE:
+ if(search != NULL)
+ lerror = lwc_string_isequal(mimeentry->datatype, search, &ret);
+ else if(mimeentry->datatype != NULL)
+ ret = true;
+ break;
+
+ case AMI_MIME_FILETYPE:
+ if(search != NULL)
+ lerror = lwc_string_isequal(mimeentry->filetype, search, &ret);
+ else if(mimeentry->filetype != NULL)
+ ret = true;
+ break;
+
+ case AMI_MIME_PLUGINCMD:
+ if(search != NULL)
+ lerror = lwc_string_isequal(mimeentry->plugincmd, search, &ret);
+ else if(mimeentry->plugincmd != NULL)
+ ret = true;
+ break;
+ }
+
+ if((lerror == lwc_error_ok) && (ret == true))
+ break;
+
+ } while((node=nnode));
+
+ *start_node = (struct Node *)node;
+
+ if(ret == true) return mimeentry;
+ else return NULL;
+}
+
+
+static APTR ami_mime_guess_add_datatype(struct DataType *dt, lwc_string **lwc_mimetype)
+{
+ struct nsObject *node;
+ char mimetype[100];
+ char *dt_name_lwr;
+ struct ami_mime_entry *mimeentry;
+ lwc_error lerror;
+ struct DataTypeHeader *dth = dt->dtn_Header;
+ char *p;
+
+ node = AddObject(ami_mime_list, AMINS_MIME);
+ if(node == NULL) return NULL;
+
+ mimeentry = ami_misc_allocvec_clear(sizeof(struct ami_mime_entry), 0);
+ if(mimeentry == NULL) return NULL;
+
+ node->objstruct = mimeentry;
+ ObjectCallback(node, ami_mime_entry_free);
+
+ lerror = lwc_intern_string(dth->dth_Name, strlen(dth->dth_Name), &mimeentry->datatype);
+ if (lerror != lwc_error_ok)
+ return NULL;
+
+ dt_name_lwr = strdup(dth->dth_Name);
+ if(dt_name_lwr == NULL) return NULL;
+
+ strlwr(dt_name_lwr);
+ p = dt_name_lwr;
+
+ while(*p != '\0')
+ {
+ if(*p == ' ') *p = '-';
+ if(*p == '/') *p = '-';
+ p++;
+ }
+
+ switch(dth->dth_GroupID)
+ {
+ case GID_TEXT:
+ case GID_DOCUMENT:
+ if(strcmp("ascii", dt_name_lwr)==0)
+ {
+ strcpy(mimetype,"text/plain");
+ }
+ else
+ {
+ sprintf(mimetype,"text/%s", dt_name_lwr);
+ }
+ break;
+ case GID_SOUND:
+ case GID_INSTRUMENT:
+ case GID_MUSIC:
+ sprintf(mimetype,"audio/%s", dt_name_lwr);
+ break;
+ case GID_PICTURE:
+ if(strcmp("sprite", dt_name_lwr)==0)
+ {
+ strcpy(mimetype,"image/x-riscos-sprite");
+ }
+ else
+ {
+ sprintf(mimetype,"image/%s", dt_name_lwr);
+ }
+ break;
+ case GID_ANIMATION:
+ case GID_MOVIE:
+ sprintf(mimetype,"video/%s", dt_name_lwr);
+ break;
+ case GID_SYSTEM:
+ default:
+ if(strcmp("directory", dt_name_lwr)==0)
+ {
+ strcpy(mimetype,"application/x-netsurf-directory");
+ }
+ else if(strcmp("binary", dt_name_lwr)==0)
+ {
+ strcpy(mimetype,"application/octet-stream");
+ }
+ else sprintf(mimetype,"application/%s", dt_name_lwr);
+ break;
+ }
+
+ lerror = lwc_intern_string(mimetype, strlen(mimetype), &mimeentry->mimetype);
+ if (lerror != lwc_error_ok)
+ return NULL;
+
+ *lwc_mimetype = mimeentry->mimetype;
+
+ lerror = lwc_intern_string(dt_name_lwr, strlen(dt_name_lwr), &mimeentry->filetype);
+ if (lerror != lwc_error_ok)
+ return NULL;
+
+ free(dt_name_lwr);
+ return node;
+}
+
+/**
+ * Return a MIME Type matching a DataType
+ *
+ * \param dt a DataType structure
+ * \param mimetype lwc_string to hold the MIME type
+ * \param start_node node to feed back in to continue search
+ * \return node or NULL if no match
+ */
+
+struct Node *ami_mime_from_datatype(struct DataType *dt,
+ lwc_string **mimetype, struct Node *start_node)
+{
+ struct DataTypeHeader *dth;
+ struct Node *node;
+ struct ami_mime_entry *mimeentry;
+ lwc_string *dt_name;
+ lwc_error lerror;
+
+ if(dt == NULL) return NULL;
+
+ dth = dt->dtn_Header;
+ lerror = lwc_intern_string(dth->dth_Name, strlen(dth->dth_Name), &dt_name);
+ if (lerror != lwc_error_ok)
+ return NULL;
+
+ node = start_node;
+ mimeentry = ami_mime_entry_locate(dt_name, AMI_MIME_DATATYPE, &node);
+ lwc_string_unref(dt_name);
+
+ if(mimeentry != NULL)
+ {
+ *mimetype = mimeentry->mimetype;
+ return (struct Node *)node;
+ }
+ else
+ {
+ if(start_node == NULL)
+ {
+ /* If there are no matching entries in the file, guess */
+ return ami_mime_guess_add_datatype(dt, mimetype);
+ }
+ else
+ {
+ return NULL;
+ }
+ }
+}
+
+/**
+ * Return the DefIcons type matching a MIME type
+ *
+ * \param mimetype lwc_string MIME type
+ * \param filetype ptr to lwc_string to hold DefIcons type
+ * \param start_node node to feed back in to continue search
+ * \return node or NULL if no match
+ */
+
+struct Node *ami_mime_to_filetype(lwc_string *mimetype,
+ lwc_string **filetype, struct Node *start_node)
+{
+ struct Node *node;
+ struct ami_mime_entry *mimeentry;
+
+ node = start_node;
+ mimeentry = ami_mime_entry_locate(mimetype, AMI_MIME_MIMETYPE, &node);
+
+ if(mimeentry != NULL)
+ {
+ *filetype = mimeentry->filetype;
+ return (struct Node *)node;
+ }
+ else
+ {
+ return NULL;
+ }
+}
+
+const char *ami_mime_content_to_filetype(struct hlcache_handle *c)
+{
+ struct Node *node;
+ lwc_string *filetype;
+ lwc_string *mimetype;
+
+ mimetype = content_get_mime_type(c);
+
+ node = ami_mime_to_filetype(mimetype, &filetype, NULL);
+
+ if(node && (filetype != NULL))
+ return lwc_string_data(filetype);
+ else
+ return ami_content_type_to_file_type(content_get_type(c));
+}
+
+/**
+ * Return all MIME types containing a plugincmd
+ *
+ * \param mimetype ptr to lwc_string MIME type
+ * \param start_node node to feed back in to continue search
+ * \return node or NULL if no match
+ */
+
+struct Node *ami_mime_has_cmd(lwc_string **mimetype, struct Node *start_node)
+{
+ struct Node *node;
+ struct ami_mime_entry *mimeentry;
+
+ node = start_node;
+ mimeentry = ami_mime_entry_locate(NULL, AMI_MIME_PLUGINCMD, &node);
+
+ if(mimeentry != NULL)
+ {
+ *mimetype = mimeentry->mimetype;
+ return (struct Node *)node;
+ }
+ else
+ {
+ return NULL;
+ }
+}
+
+/**
+ * Return the plugincmd matching a MIME type
+ *
+ * \param mimetype lwc_string MIME type
+ * \param plugincmd ptr to lwc_string to hold plugincmd
+ * \param start_node node to feed back in to continue search
+ * \return node or NULL if no match
+ */
+
+static struct Node *ami_mime_to_plugincmd(lwc_string *mimetype,
+ lwc_string **plugincmd, struct Node *start_node)
+{
+ struct Node *node;
+ struct ami_mime_entry *mimeentry;
+
+ node = start_node;
+ mimeentry = ami_mime_entry_locate(mimetype, AMI_MIME_MIMETYPE, &node);
+
+ if(mimeentry != NULL)
+ {
+ *plugincmd = mimeentry->plugincmd;
+ return (struct Node *)node;
+ }
+ else
+ {
+ return NULL;
+ }
+}
+
+lwc_string *ami_mime_content_to_cmd(struct hlcache_handle *c)
+{
+ struct Node *node;
+ lwc_string *plugincmd;
+ lwc_string *mimetype;
+
+ mimetype = content_get_mime_type(c);
+
+ node = ami_mime_to_plugincmd(mimetype,
+ &plugincmd, NULL);
+
+ if(node && (plugincmd != NULL)) return plugincmd;
+ else return NULL;
+}
+
+/**
+ * Compare the MIME type of an hlcache_handle to a DefIcons type
+ */
+
+bool ami_mime_compare(struct hlcache_handle *c, const char *type)
+{
+ bool ret = false;
+ lwc_error lerror;
+ lwc_string *filetype;
+ lwc_string *mime_filetype;
+ lwc_string *mime = content_get_mime_type(c);
+
+ if(ami_mime_to_filetype(mime, &mime_filetype, NULL) == NULL)
+ return false;
+
+ lerror = lwc_intern_string(type, strlen(type), &filetype);
+ if (lerror != lwc_error_ok)
+ return false;
+
+ lerror = lwc_string_isequal(filetype, mime_filetype, &ret);
+ if (lerror != lwc_error_ok)
+ return false;
+
+ lwc_string_unref(filetype);
+
+ return ret;
+}
+
+
+void ami_mime_dump(void)
+{
+ struct Node *node = NULL;
+ struct ami_mime_entry *mimeentry;
+
+ while((mimeentry = ami_mime_entry_locate(NULL, AMI_MIME_MIMETYPE, &node))) {
+ LOG("%s DT=\"%s\" TYPE=\"%s\" CMD=\"%s\"", mimeentry->mimetype ? lwc_string_data(mimeentry->mimetype) : "", mimeentry->datatype ? lwc_string_data(mimeentry->datatype) : "", mimeentry->filetype ? lwc_string_data(mimeentry->filetype) : "", mimeentry->plugincmd ? lwc_string_data(mimeentry->plugincmd) : "");
+ };
+}