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#include <glib.h>
#include <gtk/gtk.h>
#include <gnome.h>
#include <gtkhtml/gtkhtml.h>
#include <gnome-xml/tree.h>
#include <gnome-xml/parser.h>
#include "filter-arg-types.h"
#include "filter-xml.h"
#include "filter-sexp.h"
extern int filter_find_arg(FilterArg *a, char *name);
/*
splices ${cc} lines into a single string
*/
int
expand_variables(GString *out, char *source, GList *args, int index)
{
GList *argl;
FilterArg *arg;
char *name= alloca(32);
char *start, *end, *newstart, *tmp;
int namelen=32;
int len=0;
int ok = 0;
start = source;
while ( (newstart = strstr(start, "${"))
&& (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;
argl = g_list_find_custom(args, name, filter_find_arg);
if (argl) {
arg = argl->data;
tmp = g_strdup_printf("%.*s%s", newstart-start, start, filter_arg_get_value_as_string(arg, index));
printf("appending: %s\n", tmp);
g_string_append(out, tmp);
g_free(tmp);
} else {
ok = 1;
tmp = g_strdup_printf("%.*s", end-start+1, start);
printf("appending: %s\n", tmp);
g_string_append(out, tmp);
g_free(tmp);
}
start = end+1;
}
g_string_append(out, start);
return ok;
}
/*
build an expression for the filter
*/
static void
expand_filter_option(GString *s, struct filter_option *op)
{
GList *optionl;
FilterArg *arg;
g_string_append(s, "(and ");
optionl = op->options;
while (optionl) {
struct filter_optionrule *or = optionl->data;
if (or->rule->type == FILTER_XML_MATCH) {
GList *argl;
int max=1, count;
int i;
/* find out how many values we have in each arg (rule
is repeated that many times for each arg) */
argl = or->args;
while (argl) {
arg = argl->data;
count = filter_arg_get_count(arg);
if (count>=max && max>1) {
g_warning("Rule '%s' has too many multi-valued values, ignored", or->rule->name);
goto next_rule;
}
if (count>max) {
max = count;
}
argl = g_list_next(argl);
}
g_string_append(s, "(or ");
for (i=0;i<max;i++) {
expand_variables(s, or->rule->code, or->args, i);
}
g_string_append(s, ") ");
}
next_rule:
optionl = g_list_next(optionl);
}
#if 0
optionl = op->options;
while (optionl) {
struct filter_optionrule *or = optionl->data;
if (or->rule->type == FILTER_XML_EXCEPT) {
g_string_append(s, " (except \"");
g_string_append(s, or->rule->name);
g_string_append(s, "\" ");
g_string_append(s, or->rule->code);
g_string_append(s, " ) ");
}
optionl = g_list_next(optionl);
}
#endif
g_string_append(s, ")");
#if 0
optionl = op->options;
while (optionl) {
struct filter_optionrule *or = optionl->data;
if (or->rule->type == FILTER_XML_ACTION) {
g_string_append(s, or->rule->code);
g_string_append(s, " ");
}
optionl = g_list_next(optionl);
}
g_string_append(s, ")))");
#endif
printf("combined rule '%s'\n", s->str);
}
int main(int argc, char **argv)
{
FilterSEXP *f;
FilterSEXPResult *r;
GList *rules, *options;
xmlDocPtr doc, out, optionset, filteroptions;
GString *s;
gnome_init("Test", "0.0", argc, argv);
doc = xmlParseFile("filterdescription.xml");
rules = load_ruleset(doc);
options = load_optionset(doc, rules);
out = xmlParseFile("saveoptions.xml");
options = load_optionset(out, rules);
s = g_string_new("");
expand_filter_option(s, options->data);
g_string_append(s, "");
printf("total rule = '%s'\n", s->str);
f = filter_sexp_new();
filter_sexp_add_variable(f, 0, "sender", NULL);
filter_sexp_add_variable(f, 0, "receipient", NULL);
filter_sexp_add_variable(f, 0, "folder", NULL);
/* simple functions */
filter_sexp_add_function(f, 0, "header-get", NULL, NULL);
filter_sexp_add_function(f, 0, "header-contains", NULL, NULL);
filter_sexp_add_function(f, 0, "copy-to", NULL, NULL);
filter_sexp_add_ifunction(f, 0, "set", NULL, NULL);
/* control functions */
filter_sexp_add_ifunction(f, 0, "match-all", NULL, NULL);
filter_sexp_add_ifunction(f, 0, "match", NULL, NULL);
filter_sexp_add_ifunction(f, 0, "action", NULL, NULL);
filter_sexp_add_ifunction(f, 0, "except", NULL, NULL);
filter_sexp_input_text(f, s->str, strlen(s->str));
filter_sexp_parse(f);
}
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