path: root/filter/filter-driver.c

#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 "e-sexp.h"
#include "filter-format.h"

#include "camel.h"
#include "camel-mbox-folder.h"
#include "camel-mbox-parser.h"
#include "camel-mbox-utils.h"
#include "camel-mbox-summary.h"
#include "camel-log.h"
#include "camel-exception.h"
#include "camel-folder-summary.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, GHashTable *globals)
{
    GList *argl;
    FilterArg *arg;
    char *name= alloca(32);
    char *start, *end, *newstart, *tmp, *val;
    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, (GCompareFunc) filter_find_arg);
        if (argl) {
            int i, count;

            tmp = g_strdup_printf("%.*s", newstart-start, start);
            printf("appending: %s\n", tmp);
            g_string_append(out, tmp);
            g_free(tmp);

            arg = argl->data;
            count = filter_arg_get_count(arg);
            for (i=0;i<count;i++) {
                printf("appending '%s'\n", filter_arg_get_value_as_string(arg, i));
                g_string_append(out, " \"");
                g_string_append(out, filter_arg_get_value_as_string(arg, i));
                g_string_append(out, "\"");
            }
        } else if ( (val = g_hash_table_lookup(globals, name)) ) {
            tmp = g_strdup_printf("%.*s", newstart-start, start);
            printf("appending: %s\n", tmp);
            g_string_append(out, tmp);
            g_free(tmp);
            g_string_append(out, " \"");
            g_string_append(out, val);
            g_string_append(out, "\"");
        } 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;
    GHashTable *globals;

    globals = g_hash_table_new(g_str_hash, g_str_equal);

    g_hash_table_insert(globals, "self-email", "mzucchi@dehaa.sa.gov.au");

    g_string_append(s, "(and ");
    optionl = op->options;
    while (optionl) {
        struct filter_optionrule *or = optionl->data;
        if (or->rule->type == FILTER_XML_MATCH
            || or->rule->type == FILTER_XML_EXCEPT) {
            expand_variables(s, or->rule->code, or->args, globals);
        }
        optionl = g_list_next(optionl);
    }

    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);
}

struct filter_optionrule *
find_optionrule(struct filter_option *option, char *name)
{
    GList *optionrulel;
    struct filter_optionrule *or;
    
    optionrulel = option->options;
    while (optionrulel) {
        or = optionrulel->data;
        if (!strcmp(or->rule->name, name)) {
            return or;
        }
        optionrulel = g_list_next(optionrulel);
    }
    return NULL;
}

int main(int argc, char **argv)
{
    ESExp *f;
    ESExpResult *r;
    GList *rules, *options, *options2;
    xmlDocPtr doc, out, optionset, filteroptions;
    GString *s;

    gnome_init("Test", "0.0", argc, argv);
#if 0
    gdk_rgb_init ();
    gtk_widget_set_default_colormap (gdk_rgb_get_cmap ());
    gtk_widget_set_default_visual (gdk_rgb_get_visual ());

    create_dialogue();
#endif

    doc = xmlParseFile("filterdescription.xml");
    rules = filter_load_ruleset(doc);
    options = filter_load_optionset(doc, rules);
    options2 = options;
    out = xmlParseFile("saveoptions.xml");
    options = filter_load_optionset(out, rules);

#if 0
#if 0
    option_current = options->data;
    fill_rules(list_global, rules, options->data, FILTER_XML_MATCH);
#else
    option_current = NULL;
    fill_options(list_global, options2);
#endif
    gtk_main();

    while (options) {
        struct filter_option *fo = options->data;
        GList *optionrulel;

        optionrulel = fo->options;
        while (optionrulel) {
            struct filter_optionrule *or = optionrulel->data;

            printf("formatting rule: %s\n", or->rule->name);

            /*filter_description_text(or->rule->description, or->args);*/
            filter_description_html_write(or->rule->description, or->args, NULL, NULL);

            optionrulel = g_list_next(optionrulel);
        }
        options = g_list_next(options);
    }

    return 0;
#endif

    s = g_string_new("");
    expand_filter_option(s, options->data);
    g_string_append(s, "");

    printf("total rule = '%s'\n", s->str);

    f = e_sexp_new();
    e_sexp_add_variable(f, 0, "sender", NULL);
    e_sexp_add_variable(f, 0, "receipient", NULL);
    e_sexp_add_variable(f, 0, "folder", NULL);

    /* simple functions */
    e_sexp_add_function(f, 0, "header-get", NULL, NULL);
    e_sexp_add_function(f, 0, "header-contains", NULL, NULL);
    e_sexp_add_function(f, 0, "copy-to", NULL, NULL);

    e_sexp_add_ifunction(f, 0, "set", NULL, NULL);

    /* control functions */
    e_sexp_add_ifunction(f, 0, "match-all", NULL, NULL);
    e_sexp_add_ifunction(f, 0, "match", NULL, NULL);
    e_sexp_add_ifunction(f, 0, "action", NULL, NULL);
    e_sexp_add_ifunction(f, 0, "except", NULL, NULL);

    e_sexp_input_text(f, s->str, strlen(s->str));
    e_sexp_parse(f);
    
}