diff options
author | Not Zed <NotZed@HelixCode.com> | 2000-07-30 11:23:41 +0800 |
---|---|---|
committer | Michael Zucci <zucchi@src.gnome.org> | 2000-07-30 11:23:41 +0800 |
commit | a44d1c188b0bc166e5966ae3854a1c0bc8c44afd (patch) | |
tree | df30c85510f2b55384f95f184ae4768eedc0bac7 /filter/filter-part.c | |
parent | 4f1ecbb64b04048e1765f25e65799830316021d1 (diff) | |
download | gsoc2013-evolution-a44d1c188b0bc166e5966ae3854a1c0bc8c44afd.tar.gz gsoc2013-evolution-a44d1c188b0bc166e5966ae3854a1c0bc8c44afd.tar.zst gsoc2013-evolution-a44d1c188b0bc166e5966ae3854a1c0bc8c44afd.zip |
** Almost a total rewrite of every file, except for filter-driver which
2000-07-30 Not Zed <NotZed@HelixCode.com>
** Almost a total rewrite of every file, except for filter-driver
which just had minor updates.
The rule format has changed.
svn path=/trunk/; revision=4418
Diffstat (limited to 'filter/filter-part.c')
-rw-r--r-- | filter/filter-part.c | 432 |
1 files changed, 432 insertions, 0 deletions
diff --git a/filter/filter-part.c b/filter/filter-part.c new file mode 100644 index 0000000000..b38cc8e20f --- /dev/null +++ b/filter/filter-part.c @@ -0,0 +1,432 @@ +/* + * Copyright (C) 2000 Helix Code Inc. + * + * Authors: Not Zed <notzed@lostzed.mmc.com.au> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public License + * as published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * 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 Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <gtk/gtk.h> +#include <gnome.h> + +#include <gnome-xml/xmlmemory.h> + +#include "filter-part.h" +#include "filter-element.h" + +#define d(x) + +static void filter_part_class_init (FilterPartClass *class); +static void filter_part_init (FilterPart *gspaper); +static void filter_part_finalise (GtkObject *obj); + +#define _PRIVATE(x) (((FilterPart *)(x))->priv) + +struct _FilterPartPrivate { +}; + +static GtkObjectClass *parent_class; + +enum { + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL] = { 0 }; + +guint +filter_part_get_type (void) +{ + static guint type = 0; + + if (!type) { + GtkTypeInfo type_info = { + "FilterPart", + sizeof(FilterPart), + sizeof(FilterPartClass), + (GtkClassInitFunc)filter_part_class_init, + (GtkObjectInitFunc)filter_part_init, + (GtkArgSetFunc)NULL, + (GtkArgGetFunc)NULL + }; + + type = gtk_type_unique(gtk_object_get_type (), &type_info); + } + + return type; +} + +static void +filter_part_class_init (FilterPartClass *class) +{ + GtkObjectClass *object_class; + + object_class = (GtkObjectClass *)class; + parent_class = gtk_type_class(gtk_object_get_type ()); + + object_class->finalize = filter_part_finalise; + /* override methods */ + + /* signals */ + + gtk_object_class_add_signals(object_class, signals, LAST_SIGNAL); +} + +static void +filter_part_init (FilterPart *o) +{ + o->priv = g_malloc0(sizeof(*o->priv)); +} + +static void +filter_part_finalise(GtkObject *obj) +{ + FilterPart *o = (FilterPart *)obj; + + o = o; + + ((GtkObjectClass *)(parent_class))->finalize(obj); +} + +/** + * filter_part_new: + * + * Create a new FilterPart object. + * + * Return value: A new #FilterPart object. + **/ +FilterPart * +filter_part_new(void) +{ + FilterPart *o = (FilterPart *)gtk_type_new(filter_part_get_type ()); + return o; +} + + + +int filter_part_xml_create (FilterPart *ff, xmlNodePtr node) +{ + xmlNodePtr n; + char *type; + FilterElement *el; + + ff->name = xmlGetProp(node, "name"); + n = node->childs; + while (n) { + if (!strcmp(n->name, "input")) { + type = xmlGetProp(n, "type"); + d(printf("creating new element type input '%s'\n", type)); + if (type != NULL + && (el = filter_element_new_type_name(type)) != NULL) { + filter_element_xml_create(el, n); + xmlFree(type); + d(printf("adding element part %p %s\n", el, el->name)); + ff->elements = g_list_append(ff->elements, el); + } else { + g_warning("Invalid xml format, missing/unknown input type"); + } + } else if (!strcmp(n->name, "title")) { + if (!ff->title) + ff->title = xmlNodeGetContent(n); + } else if (!strcmp(n->name, "code")) { + if (!ff->code) + ff->code = xmlNodeGetContent(n); + } else { + g_warning("Unknwon part element in xml: %s\n", n->name); + } + n = n->next; + } + return 0; +} + +xmlNodePtr filter_part_xml_encode (FilterPart *fp) +{ + GList *l; + FilterElement *fe; + xmlNodePtr part, value; + + g_return_val_if_fail(fp != NULL, NULL); + + part = xmlNewNode(NULL, "part"); + xmlSetProp(part, "name", fp->name); + l = fp->elements; + while (l) { + fe = l->data; + value = filter_element_xml_encode(fe); + xmlAddChild(part, value); + l = g_list_next(l); + } + return part; +} + +int filter_part_xml_decode (FilterPart *fp, xmlNodePtr node) +{ + FilterElement *fe; + xmlNodePtr n; + char *name; + + g_return_val_if_fail(fp != NULL, -1); + g_return_val_if_fail(node != NULL, -1); + + n = node->childs; + while (n) { + if (!strcmp(n->name, "value")) { + name = xmlGetProp(n, "name"); + d(printf("finding element part %p %s = %p\n", name, name, fe)); + fe = filter_part_find_element(fp, name); + d(printf("finding element part %p %s = %p\n", name, name, fe)); + xmlFree(name); + if (fe) { + filter_element_xml_decode(fe, n); + } + } + n = n->next; + } + return 0; +} + +FilterPart *filter_part_clone (FilterPart *fp) +{ + FilterPart *new; + GList *l; + FilterElement *fe, *ne; + + new = (FilterPart *)gtk_type_new( ((GtkObject *)fp)->klass->type ); + new->name = g_strdup(fp->name); + new->title = g_strdup(fp->title); + new->code = g_strdup(fp->code); + l = fp->elements; + while (l) { + fe = l->data; + ne = filter_element_clone(fe); + new->elements = g_list_append(new->elements, ne); + l = g_list_next(l); + } + return new; +} + +FilterElement *filter_part_find_element(FilterPart *ff, const char *name) +{ + GList *l = ff->elements; + FilterElement *fe; + + if (name == NULL) + return NULL; + + while (l) { + fe = l->data; + if (fe->name && !strcmp(fe->name, name)) + return fe; + l = g_list_next(l); + } + + return NULL; +} + + +GtkWidget *filter_part_get_widget (FilterPart *ff) +{ + GtkHBox *hbox; + GList *l = ff->elements; + FilterElement *fe; + GtkWidget *w; + + hbox = (GtkHBox *)gtk_hbox_new(FALSE, 3); + + while (l) { + fe = l->data; + w = filter_element_get_widget(fe); + if (w) { + gtk_box_pack_start((GtkBox *)hbox, w, FALSE, FALSE, 3); + } + l = g_list_next(l); + } + gtk_widget_show_all((GtkWidget *)hbox); + return (GtkWidget *)hbox; +} + +/** + * filter_part_build_code: + * @ff: + * @out: + * + * Outputs the code of a part. + **/ +void filter_part_build_code (FilterPart *ff, GString *out) +{ + GList *l = ff->elements; + FilterElement *fe; + + if (ff->code) { + filter_part_expand_code(ff, ff->code, out); + } + while (l) { + fe = l->data; + filter_element_build_code(fe, out, ff); + l = g_list_next(l); + } +} + +/** + * filter_part_build_code_list: + * @l: + * @out: + * + * Construct a list of the filter parts code into + * a single string. + **/ +void +filter_part_build_code_list(GList *l, GString *out) +{ + FilterPart *fp; + + while (l) { + fp = l->data; + filter_part_build_code(fp, out); + g_string_append(out, "\n "); + l = g_list_next(l); + } +} + +/** + * filter_part_find_list: + * @l: + * @name: + * + * Find a filter part stored in a list. + * + * Return value: + **/ +FilterPart *filter_part_find_list (GList *l, const char *name) +{ + FilterPart *part; + d(printf("Find part named %s\n", name)); + + while (l) { + part = l->data; + if (!strcmp(part->name, name)) { + d(printf("Found!\n")); + return part; + } + l = g_list_next(l); + } + return NULL; +} + +/** + * filter_part_next_list: + * @l: + * @last: The last item retrieved, or NULL to start + * from the beginning of the list. + * + * Iterate through a filter part list. + * + * Return value: The next value in the list, or NULL if the + * list is expired. + **/ +FilterPart *filter_part_next_list (GList *l, FilterPart *last) +{ + GList *node = l; + + if (last != NULL) { + node = g_list_find(node, last); + if (node == NULL) + node = l; + else + node = g_list_next(node); + } + if (node) + return node->data; + return NULL; +} + +/** + * filter_part_expand_code: + * @ff: + * @str: + * @out: + * + * Expands the variables in string @str based on the values of the part. + **/ +void filter_part_expand_code (FilterPart *ff, const char *source, GString *out) +{ + const char *newstart, *start, *end; + char *name=alloca(32); + int len, namelen=32; + FilterElement *fe; + + start = source; + while ( (newstart = strstr(start, "${")) + && (end = strstr(newstart+2, "}")) ) { + len = end-newstart-2; + if (len+1>namelen) { + namelen = (len+1)*2; + name = alloca(namelen); + } + memcpy(name, newstart+2, len); + name[len] = 0; + fe = filter_part_find_element(ff, name); + d(printf("expand code: looking up variab le '%s' = %p\n", name, fe)); + if (fe) { + g_string_sprintfa(out, "%.*s", newstart-start, start); + filter_element_format_sexp(fe, out); +#if 0 + } else if ( (val = g_hash_table_lookup(ff->globals, name)) ) { + g_string_sprintfa(out, "%.*s", newstart-start, start); + e_sexp_encode_string(out, val); +#endif + } else { + g_string_sprintfa(out, "%.*s", end-start+1, start); + } + start = end+1; + } + g_string_append(out, start); +} + +#if 0 +int main(int argc, char **argv) +{ + xmlDocPtr system; + FilterPart *ff; + GtkWidget *w; + GnomeDialog *gd; + xmlNodePtr node; + GString *code; + + gnome_init("test", "0.0", argc, argv); + + system = xmlParseFile("form.xml"); + if (system==NULL) { + printf("i/o error\n"); + return 1; + } + + ff = filter_part_new(); + filter_part_xml_create(ff, system->root); + + w = filter_part_get_widget(ff); + + gd = (GnomeDialog *)gnome_dialog_new("Test", "Ok", NULL); + gtk_box_pack_start((GtkBox *)gd->vbox, w, FALSE, TRUE, 0); + gtk_widget_show((GtkWidget *)gd); + + gnome_dialog_run_and_close(gd); + + code = g_string_new(""); + filter_part_build_code(ff, code); + printf("code is:\n%s\n", code->str); + + return 0; +} +#endif |