/* -*- c-file-style: "ruby"; indent-tabs-mode: nil -*- */
/*
 *  Copyright (C) 2011  Ruby-GNOME2 Project Team
 *  Copyright (C) 2004  Ruby-GNOME2 Project Team
 *  Copyright (C) 2003  Geoff Youngs, based on gtktextview.c by Masao Mutoh
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 *  MA  02110-1301  USA
 */

#include "rbgtksourcemain.h"

/* Class: Gtk::SourceStyleSchemeManager
 * A class to manage source style scheme.
 */

#define RG_TARGET_NAMESPACE cSourceStyleSchemeManager
#define _SELF(self) (GTK_SOURCE_STYLE_SCHEME_MANAGER(RVAL2GOBJ(self)))

/* Class method: new
 * Returns: a newly created Gtk::SourceStyleSchemeManager object.
 */
static VALUE
rg_initialize(VALUE self)
{
    G_INITIALIZE (self, gtk_source_style_scheme_manager_new ());
    return Qnil;
}

/* Class method: default
 *
 * Gets the default style scheme manager.
 *
 * Returns: a Gtk::SourceStyleSchemeManager
 */
static VALUE
rg_s_default(VALUE self)
{
    GtkSourceStyleSchemeManager* sssm = gtk_source_style_scheme_manager_get_default();
    GType gtype = G_TYPE_FROM_INSTANCE(sssm);

    gchar *gtypename = (gchar *) g_type_name (gtype);
    if (strncmp (gtypename, "Gtk", 3) == 0)
        gtypename += 3;
    if (!rb_const_defined_at (mGtk, rb_intern (gtypename)))
        G_DEF_CLASS (gtype, gtypename, mGtk);

    return GOBJ2RVAL(sssm);
}

/* Method: set_search_path(dirs)
 * dirs: style scheme file directory path
 *
 * Sets the style scheme files directories for the given style scheme manager.
 *
 * Returns: self.
 */
static VALUE
rg_set_search_path(VALUE self, VALUE dirs)
{
    gchar** gdirs = (gchar**)NULL;
    gint i;

    if (! NIL_P(dirs)){
        Check_Type(dirs, T_ARRAY);
        i = RARRAY_LEN(dirs);
        gdirs = ALLOCA_N(gchar*, i + 1);
        for (i = 0; i < i; i++) {
            if (TYPE(RARRAY_PTR(dirs)[i]) == T_STRING) {
                gdirs[i] = RVAL2CSTR(RARRAY_PTR(dirs)[i]);
            }
            else {
                gdirs[i] = "";
            }
        }
        gdirs[i] = (gchar*)NULL;
    }

    gtk_source_style_scheme_manager_set_search_path (_SELF (self), gdirs);
    return self;
}

/* Method: append_search_path(path)
 * path: additional style scheme file directory path (string)
 *
 * Appends the style scheme files directory for the given style scheme manager.
 *
 * Returns: self.
 */
static VALUE
rg_append_search_path(VALUE self, VALUE path)
{
    gtk_source_style_scheme_manager_append_search_path (_SELF (self), RVAL2CSTR(path));
    return self;
}

/* Method: prepend_search_path(path)
 * path: additional style scheme file directory path (string)
 *
 * Prepend the style scheme files directory for the given style scheme manager.
 *
 * Returns: self.
 */
static VALUE
rg_prepend_search_path(VALUE self, VALUE path)
{
    gtk_source_style_scheme_manager_prepend_search_path (_SELF (self), RVAL2CSTR(path));
    return self;
}

/* Method: get_search_path
 * Returns: a list of style scheme files directories (strings) for the given
 * style scheme manager.
 */
static VALUE
rg_search_path(VALUE self)
{
    VALUE ary;
    const gchar * const * dirs =
            gtk_source_style_scheme_manager_get_search_path (_SELF (self));
    if (!dirs)
        return Qnil;

    ary = rb_ary_new();
    while (*dirs){
        rb_ary_push(ary, CSTR2RVAL(*dirs));
        dirs++;
    }
    return ary;
}

/* Method: scheme_ids
 * Returns: a list of style scheme ids for the given style scheme manager
 */
static VALUE
rg_scheme_ids(VALUE self)
{
    VALUE ary;
    const gchar * const * ids =
            gtk_source_style_scheme_manager_get_scheme_ids (_SELF (self));
    if (!ids)
        return Qnil;

    ary = rb_ary_new();
    while (*ids){
        rb_ary_push(ary, CSTR2RVAL(*ids));
        ids++;
    }
    return ary;
}

/*
 * Method: scheme(scheme_id)
 * scheme_id: a style scheme id (as a string).
 *
 * Gets the Gtk::SourceStyleScheme which is associated with the given id
 * in the style scheme manager.
 *
 * Returns: a Gtk::SourceStyleScheme, or nil if there is no style scheme
 * associated with the given id.
 */
static VALUE
rg_get_scheme(VALUE self, VALUE scheme_id)
{
    return
        GOBJ2RVAL (gtk_source_style_scheme_manager_get_scheme
               (_SELF (self), RVAL2CSTR (scheme_id)));
}

/*
 * Method: force_rescan
 *
 * Forces all style schemes to be reloaded the next time the
 * Gtk::SourceStyleSchemeManager is accessed.
 *
 * Returns: self.
 */
static VALUE
rg_force_rescan(VALUE self)
{
    gtk_source_style_scheme_manager_force_rescan(_SELF (self));
    return self;
}

void
Init_gtk_sourcestyleschememanager (VALUE mGtk)
{
    VALUE RG_TARGET_NAMESPACE =
        G_DEF_CLASS (GTK_TYPE_SOURCE_STYLE_SCHEME_MANAGER,
             "SourceStyleSchemeManager", mGtk);

    RG_DEF_METHOD(initialize, 0);
    RG_DEF_METHOD(set_search_path, 1);
    RG_DEF_METHOD(append_search_path, 1);
    RG_DEF_METHOD(prepend_search_path, 1);
    RG_DEF_METHOD(search_path, 0);
    RG_DEF_METHOD(scheme_ids, 0);
    RG_DEF_METHOD(get_scheme, 1);
    RG_DEF_METHOD(force_rescan, 0);
    RG_DEF_SMETHOD(default, 0);
    G_DEF_SETTERS (RG_TARGET_NAMESPACE);
}