diff options
Diffstat (limited to 'filter/filter-driver.c')
| -rw-r--r-- | filter/filter-driver.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/filter/filter-driver.c b/filter/filter-driver.c new file mode 100644 index 0000000000..6df07e76b8 --- /dev/null +++ b/filter/filter-driver.c @@ -0,0 +1,176 @@ + +#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); + +} |