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zoff99 |
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <glib.h>
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#include "item.h"
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#include "xmlconfig.h"
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#include "main.h"
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#include "navit.h"
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#include "vehicle.h"
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#include "speech.h"
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#include "gui.h"
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#include "debug.h"
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#include "callback.h"
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#include "command.h"
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#include "event.h"
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#include "navit_nls.h"
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/*
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gui.fullscreen=!gui.fullscreen
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gui.menu()
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gui.get_data()
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zoom_in()
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zoom_out()
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speech.active=!speech.active
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osd_configuration=1
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Not yet:
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osd[type=="xxx"].active=0;osd[type=="yyy"].active=0
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*/
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struct result {
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struct attr attr;
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double val;
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const char *var;
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int varlen;
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const char *attrn;
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int attrnlen;
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int allocated;
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};
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| 42 |
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struct context {
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struct attr *attr;
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int error;
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const char *expr;
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struct result res;
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};
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| 49 |
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struct command_saved_cb {
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struct callback *cb;
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struct attr attr;
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};
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struct command_saved {
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struct context ctx;
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struct result res;
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| 57 |
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char *command; // The command string itself
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struct event_idle *idle_ev; // Event to update this command
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struct callback *idle_cb;
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struct callback *register_cb; // Callback to register all the callbacks
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struct event_idle *register_ev; // Idle event to register all the callbacks
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struct attr navit;
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int num_cbs;
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struct command_saved_cb *cbs; // List of callbacks for this saved command
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struct callback *cb; // Callback that should be called when we re-evaluate
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int error;
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};
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enum error {
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no_error=0,missing_closing_brace, missing_colon, wrong_type, illegal_number_format, illegal_character, missing_closing_bracket, invalid_type, not_ready
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};
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| 73 |
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static void eval_comma(struct context *ctx, struct result *res);
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static struct attr ** eval_list(struct context *ctx);
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static void
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result_free(struct result *res)
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{
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}
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static int command_register_callbacks(struct command_saved *cs);
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static const char *
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get_op(struct context *ctx, int test, ...)
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{
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char *op;
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const char *ret=NULL;
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va_list ap;
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| 90 |
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while (g_ascii_isspace(*ctx->expr)) {
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ctx->expr++;
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}
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va_start(ap, test);
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while ((op = va_arg(ap, char *))) {
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if (!strncmp(ctx->expr, op, strlen(op))) {
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ret=ctx->expr;
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| 98 |
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if (! test)
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ctx->expr+=strlen(op);
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break;
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}
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| 102 |
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}
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| 103 |
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va_end(ap);
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return ret;
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}
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| 106 |
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| 107 |
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/*static int
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is_int(struct result *res)
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{
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return 1;
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| 111 |
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}*/
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| 112 |
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| 113 |
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static int
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| 114 |
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is_double(struct result *res)
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| 115 |
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{
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return 0;
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| 117 |
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}
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| 118 |
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| 119 |
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static void
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| 120 |
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dump(struct result *res)
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| 121 |
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{
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| 122 |
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#if 0
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| 123 |
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char object[res->varlen+1];
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| 124 |
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char attribute[res->attrnlen+1];
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if (res->var)
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strncpy(object, res->var, res->varlen);
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| 127 |
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object[res->varlen]='\0';
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| 128 |
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if (res->attrn)
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strncpy(attribute, res->attrn, res->attrnlen);
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attribute[res->attrnlen]='\0';
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dbg(0,"type:%s\n", attr_to_name(res->attr.type));
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dbg(0,"attribute '%s' from '%s'\n", attribute, object);
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#endif
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}
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| 136 |
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static enum attr_type
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command_attr_type(struct result *res)
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{
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char *attrn=g_alloca(sizeof(char)*(res->attrnlen+1));
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| 140 |
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| 141 |
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strncpy(attrn, res->attrn, res->attrnlen);
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attrn[res->attrnlen]='\0';
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| 143 |
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return attr_from_name(attrn);
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}
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| 145 |
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| 146 |
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static int
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| 147 |
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command_object_get_attr(struct context *ctx, struct attr *object, enum attr_type attr_type, struct attr *ret)
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| 148 |
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{
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| 149 |
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struct object_func *func=object_func_lookup(object->type);
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| 150 |
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if (!func || !func->get_attr)
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| 151 |
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return 0;
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| 152 |
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return func->get_attr(object->u.data, attr_type, ret, NULL);
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| 153 |
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}
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| 154 |
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| 155 |
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static void
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| 156 |
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command_get_attr(struct context *ctx, struct result *res)
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| 157 |
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{
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| 158 |
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int result;
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| 159 |
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enum attr_type attr_type=command_attr_type(res);
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| 160 |
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result=command_object_get_attr(ctx, &res->attr, attr_type, &res->attr);
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| 161 |
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if (result) {
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| 162 |
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res->var=res->attrn;
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| 163 |
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res->varlen=res->attrnlen;
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| 164 |
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} else {
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| 165 |
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res->attr.type=attr_none;
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| 166 |
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res->var=NULL;
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| 167 |
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res->varlen=0;
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| 168 |
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}
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| 169 |
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res->attrn=NULL;
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| 170 |
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res->attrnlen=0;
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| 171 |
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dump(res);
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| 172 |
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}
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| 173 |
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| 174 |
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static void
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| 175 |
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command_set_attr(struct context *ctx, struct result *res, struct result *newres)
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| 176 |
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{
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| 177 |
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int result=0;
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| 178 |
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enum attr_type attr_type=command_attr_type(res);
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| 179 |
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struct object_func *func=object_func_lookup(res->attr.type);
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| 180 |
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if (!func || !func->set_attr)
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| 181 |
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return;
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| 182 |
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newres->attr.type=attr_type;
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| 183 |
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result=func->set_attr(res->attr.u.data, &newres->attr);
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| 184 |
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*res=*newres;
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| 185 |
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}
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| 186 |
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| 187 |
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static void
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| 188 |
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resolve_object(struct context *ctx, struct result *res)
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| 189 |
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{
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| 190 |
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if (res->attr.type == attr_none && res->varlen) {
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| 191 |
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res->attr=*ctx->attr;
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| 192 |
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res->attrn=res->var;
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| 193 |
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res->attrnlen=res->varlen;
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| 194 |
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res->var=NULL;
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| 195 |
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res->varlen=0;
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| 196 |
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}
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| 197 |
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}
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| 198 |
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| 199 |
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static void
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| 200 |
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resolve(struct context *ctx, struct result *res, struct attr *parent) //FIXME What is that parent for?
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| 201 |
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{
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| 202 |
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resolve_object(ctx, res);
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| 203 |
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if (res->attrn)
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| 204 |
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command_get_attr(ctx, res);
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| 205 |
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}
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| 206 |
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| 207 |
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static double
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| 208 |
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get_double(struct context *ctx, struct result *res)
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| 209 |
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{
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| 210 |
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resolve(ctx, res, NULL);
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| 211 |
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return res->val;
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| 212 |
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}
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| 213 |
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| 214 |
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| 215 |
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| 216 |
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static int
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| 217 |
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get_int(struct context *ctx, struct result *res)
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| 218 |
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{
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| 219 |
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resolve(ctx, res, NULL);
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| 220 |
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if (res->attr.type == attr_none)
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| 221 |
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return 0;
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| 222 |
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if (res->attr.type >= attr_type_int_begin && res->attr.type <= attr_type_int_end) {
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| 223 |
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return res->attr.u.num;
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| 224 |
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}
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| 225 |
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if (res->attr.type >= attr_type_double_begin && res->attr.type <= attr_type_double_end) {
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| 226 |
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return (int) (*res->attr.u.numd);
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| 227 |
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}
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| 228 |
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ctx->error=wrong_type;
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| 229 |
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return 0;
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| 230 |
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}
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| 231 |
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| 232 |
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| 233 |
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static char *
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| 234 |
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get_string(struct context *ctx, struct result *res)
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| 235 |
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{
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| 236 |
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resolve(ctx, res, NULL);
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| 237 |
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return attr_to_text(&res->attr, NULL, 0);
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| 238 |
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}
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| 239 |
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| 240 |
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static void
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| 241 |
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set_double(struct context *ctx, struct result *res, double val)
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| 242 |
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{
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| 243 |
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result_free(res);
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| 244 |
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res->val=val;
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| 245 |
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}
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| 246 |
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| 247 |
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static void
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| 248 |
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set_int(struct context *ctx, struct result *res, int val)
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| 249 |
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{
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| 250 |
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result_free(res);
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| 251 |
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res->attr.type=attr_type_int_begin;
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| 252 |
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res->attr.u.num=val;
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| 253 |
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}
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| 254 |
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| 255 |
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| 256 |
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static void
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| 257 |
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eval_value(struct context *ctx, struct result *res) {
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| 258 |
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const char *op;
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| 259 |
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int len,dots=0;
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| 260 |
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op=ctx->expr;
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| 261 |
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res->varlen=0;
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| 262 |
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res->var=NULL;
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| 263 |
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res->attrnlen=0;
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| 264 |
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res->attrn=NULL;
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| 265 |
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| 266 |
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while (g_ascii_isspace(*op)) {
|
| 267 |
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op++;
|
| 268 |
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}
|
| 269 |
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| 270 |
|
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if ((op[0] >= 'a' && op[0] <= 'z') || op[0] == '_') {
|
| 271 |
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res->attr.type=attr_none;
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| 272 |
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res->var=op;
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| 273 |
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for (;;) {
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| 274 |
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while ((op[0] >= 'a' && op[0] <= 'z') || (op[0] >= '0' && op[0] <= '9') || op[0] == '_') {
|
| 275 |
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res->varlen++;
|
| 276 |
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op++;
|
| 277 |
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}
|
| 278 |
|
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if (res->varlen == 3 && !strncmp(res->var,"new",3) && op[0] == ' ') {
|
| 279 |
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res->varlen++;
|
| 280 |
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op++;
|
| 281 |
|
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} else
|
| 282 |
|
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break;
|
| 283 |
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}
|
| 284 |
|
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ctx->expr=op;
|
| 285 |
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return;
|
| 286 |
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}
|
| 287 |
|
|
if ((op[0] >= '0' && op[0] <= '9') ||
|
| 288 |
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(op[0] == '.' && op[1] >= '0' && op[1] <= '9') ||
|
| 289 |
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(op[0] == '-' && op[1] >= '0' && op[1] <= '9') ||
|
| 290 |
|
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(op[0] == '-' && op[1] == '.' && op[2] >= '0' && op[2] <= '9')) {
|
| 291 |
|
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while ((op[0] >= '0' && op[0] <= '9') || op[0] == '.' || (res->varlen == 0 && op[0] == '-')) {
|
| 292 |
|
|
if (op[0] == '.')
|
| 293 |
|
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dots++;
|
| 294 |
|
|
if (dots > 1) {
|
| 295 |
|
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ctx->error=illegal_number_format;
|
| 296 |
|
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return;
|
| 297 |
|
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}
|
| 298 |
|
|
res->varlen++;
|
| 299 |
|
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op++;
|
| 300 |
|
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}
|
| 301 |
|
|
if (dots) {
|
| 302 |
|
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res->val = strtod(ctx->expr, NULL);
|
| 303 |
|
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res->attr.type=attr_type_double_begin;
|
| 304 |
|
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res->attr.u.numd=&res->val;
|
| 305 |
|
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} else {
|
| 306 |
|
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res->attr.type=attr_type_int_begin;
|
| 307 |
|
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res->attr.u.num=atoi(ctx->expr);
|
| 308 |
|
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}
|
| 309 |
|
|
ctx->expr=op;
|
| 310 |
|
|
return;
|
| 311 |
|
|
}
|
| 312 |
|
|
if (op[0] == '"') {
|
| 313 |
|
|
do {
|
| 314 |
|
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op++;
|
| 315 |
|
|
} while (op[0] != '"');
|
| 316 |
|
|
res->attr.type=attr_type_string_begin;
|
| 317 |
|
|
len=op-ctx->expr-1;
|
| 318 |
|
|
res->attr.u.str=g_malloc(len+1);
|
| 319 |
|
|
strncpy(res->attr.u.str, ctx->expr+1, len);
|
| 320 |
|
|
res->attr.u.str[len]='\0';
|
| 321 |
|
|
op++;
|
| 322 |
|
|
ctx->expr=op;
|
| 323 |
|
|
return;
|
| 324 |
|
|
}
|
| 325 |
|
|
ctx->error=illegal_character;
|
| 326 |
|
|
}
|
| 327 |
|
|
|
| 328 |
|
|
static int
|
| 329 |
|
|
get_next_object(struct context *ctx, struct result *res) {
|
| 330 |
|
|
|
| 331 |
|
|
while (*ctx->expr) {
|
| 332 |
|
|
res->varlen = 0;
|
| 333 |
|
|
ctx->error = 0;
|
| 334 |
|
|
|
| 335 |
|
|
eval_value(ctx,res);
|
| 336 |
|
|
|
| 337 |
|
|
if ((res->attr.type == attr_none) && (res->varlen > 0)) {
|
| 338 |
|
|
if (ctx->expr[0] != '.') {
|
| 339 |
|
|
return 1; // 1 means "this is the final object name"
|
| 340 |
|
|
} else {
|
| 341 |
|
|
return 2; // 2 means "there are more object names following" (e.g. we just hit 'vehicle' in 'vehicle.position_speed'
|
| 342 |
|
|
}
|
| 343 |
|
|
}
|
| 344 |
|
|
|
| 345 |
|
|
if (ctx->error) {
|
| 346 |
|
|
// Probably hit an operator
|
| 347 |
|
|
ctx->expr++;
|
| 348 |
|
|
}
|
| 349 |
|
|
}
|
| 350 |
|
|
|
| 351 |
|
|
return 0;
|
| 352 |
|
|
}
|
| 353 |
|
|
|
| 354 |
|
|
static void
|
| 355 |
|
|
eval_brace(struct context *ctx, struct result *res)
|
| 356 |
|
|
{
|
| 357 |
|
|
if (get_op(ctx,0,"(",NULL)) {
|
| 358 |
|
|
eval_comma(ctx, res);
|
| 359 |
|
|
if (ctx->error) return;
|
| 360 |
|
|
if (!get_op(ctx,0,")",NULL))
|
| 361 |
|
|
ctx->error=missing_closing_brace;
|
| 362 |
|
|
return;
|
| 363 |
|
|
}
|
| 364 |
|
|
eval_value(ctx, res);
|
| 365 |
|
|
}
|
| 366 |
|
|
|
| 367 |
|
|
static void
|
| 368 |
|
|
command_call_function(struct context *ctx, struct result *res)
|
| 369 |
|
|
{
|
| 370 |
|
|
struct attr cbl,**list=NULL;
|
| 371 |
|
|
char *function=g_alloca(sizeof(char)*(res->attrnlen+1));
|
| 372 |
|
|
if (res->attrn)
|
| 373 |
|
|
strncpy(function, res->attrn, res->attrnlen);
|
| 374 |
|
|
function[res->attrnlen]='\0';
|
| 375 |
|
|
dbg(1,"function=%s\n", function);
|
| 376 |
|
|
if (ctx->expr[0] != ')') {
|
| 377 |
|
|
list=eval_list(ctx);
|
| 378 |
|
|
if (ctx->error) return;
|
| 379 |
|
|
}
|
| 380 |
|
|
if (!get_op(ctx,0,")",NULL)) {
|
| 381 |
|
|
ctx->error=missing_closing_brace;
|
| 382 |
|
|
return;
|
| 383 |
|
|
}
|
| 384 |
|
|
if (!strcmp(function,"_") && list && list[0] && list[0]->type >= attr_type_string_begin && list[0]->type <= attr_type_string_end) {
|
| 385 |
|
|
res->attr.type=list[0]->type;
|
| 386 |
|
|
res->attr.u.str=g_strdup(gettext(list[0]->u.str));
|
| 387 |
|
|
|
| 388 |
|
|
} else if (!strncmp(function,"new ",4)) {
|
| 389 |
|
|
enum attr_type attr_type=attr_from_name(function+4);
|
| 390 |
|
|
if (attr_type != attr_none) {
|
| 391 |
|
|
struct object_func *func=object_func_lookup(attr_type);
|
| 392 |
|
|
if (func && func->create) {
|
| 393 |
|
|
res->attr.type=attr_type;
|
| 394 |
|
|
res->attr.u.data=func->create(NULL, list);
|
| 395 |
|
|
}
|
| 396 |
|
|
}
|
| 397 |
|
|
} else {
|
| 398 |
|
|
if (command_object_get_attr(ctx, &res->attr, attr_callback_list, &cbl)) {
|
| 399 |
|
|
int valid;
|
| 400 |
|
|
struct attr **out=NULL;
|
| 401 |
|
|
dbg(1,"function call %s from %s\n",function, attr_to_name(res->attr.type));
|
| 402 |
|
|
callback_list_call_attr_4(cbl.u.callback_list, attr_command, function, list, &out, &valid);
|
| 403 |
|
|
if (out && out[0]) {
|
| 404 |
|
|
attr_dup_content(out[0], &res->attr);
|
| 405 |
|
|
attr_list_free(out);
|
| 406 |
|
|
} else
|
| 407 |
|
|
res->attr.type=attr_none;
|
| 408 |
|
|
} else
|
| 409 |
|
|
res->attr.type=attr_none;
|
| 410 |
|
|
}
|
| 411 |
|
|
res->var=NULL;
|
| 412 |
|
|
res->varlen=0;
|
| 413 |
|
|
res->attrn=NULL;
|
| 414 |
|
|
res->attrnlen=0;
|
| 415 |
|
|
}
|
| 416 |
|
|
|
| 417 |
|
|
static void
|
| 418 |
|
|
eval_postfix(struct context *ctx, struct result *res)
|
| 419 |
|
|
{
|
| 420 |
|
|
struct result tmp;
|
| 421 |
|
|
const char *op;
|
| 422 |
|
|
|
| 423 |
|
|
eval_brace(ctx, res);
|
| 424 |
|
|
if (ctx->error) return;
|
| 425 |
|
|
for (;;) {
|
| 426 |
|
|
if (!(op=get_op(ctx,0,"[","(",".",NULL)))
|
| 427 |
|
|
return;
|
| 428 |
|
|
if (op[0] == '.') {
|
| 429 |
|
|
eval_brace(ctx, &tmp);
|
| 430 |
|
|
if (ctx->error) return;
|
| 431 |
|
|
resolve(ctx, res,NULL);
|
| 432 |
|
|
if (ctx->error) return;
|
| 433 |
|
|
res->attrn=tmp.var;
|
| 434 |
|
|
res->attrnlen=tmp.varlen;
|
| 435 |
|
|
dump(res);
|
| 436 |
|
|
} else if (op[0] == '[') {
|
| 437 |
|
|
if (!get_op(ctx,0,"]",NULL)) {
|
| 438 |
|
|
ctx->error=missing_closing_bracket;
|
| 439 |
|
|
return;
|
| 440 |
|
|
}
|
| 441 |
|
|
} else if (op[0] == '(') {
|
| 442 |
|
|
dbg(1,"function call\n");
|
| 443 |
|
|
resolve_object(ctx, res);
|
| 444 |
|
|
command_call_function(ctx, res);
|
| 445 |
|
|
}
|
| 446 |
|
|
}
|
| 447 |
|
|
}
|
| 448 |
|
|
|
| 449 |
|
|
static void
|
| 450 |
|
|
eval_unary(struct context *ctx, struct result *res)
|
| 451 |
|
|
{
|
| 452 |
|
|
const char *op;
|
| 453 |
|
|
op=get_op(ctx,0,"~","!",NULL);
|
| 454 |
|
|
if (op) {
|
| 455 |
|
|
eval_unary(ctx, res);
|
| 456 |
|
|
if (ctx->error) return;
|
| 457 |
|
|
if (op[0] == '~')
|
| 458 |
|
|
set_int(ctx, res, ~get_int(ctx, res));
|
| 459 |
|
|
else
|
| 460 |
|
|
set_int(ctx, res, !get_int(ctx, res));
|
| 461 |
|
|
} else
|
| 462 |
|
|
eval_postfix(ctx, res);
|
| 463 |
|
|
}
|
| 464 |
|
|
|
| 465 |
|
|
static void
|
| 466 |
|
|
eval_multiplicative(struct context *ctx, struct result *res)
|
| 467 |
|
|
{
|
| 468 |
|
|
struct result tmp;
|
| 469 |
|
|
const char *op;
|
| 470 |
|
|
|
| 471 |
|
|
eval_unary(ctx, res);
|
| 472 |
|
|
if (ctx->error) return;
|
| 473 |
|
|
for (;;) {
|
| 474 |
|
|
if (!(op=get_op(ctx,0,"*","/","%",NULL))) return;
|
| 475 |
|
|
eval_unary(ctx, &tmp);
|
| 476 |
|
|
if (ctx->error) return;
|
| 477 |
|
|
if (is_double(res) || is_double(&tmp)) {
|
| 478 |
|
|
if (op[0] == '*')
|
| 479 |
|
|
set_double(ctx, res, get_double(ctx, res) * get_double(ctx, &tmp));
|
| 480 |
|
|
else if (op[0] == '/')
|
| 481 |
|
|
set_double(ctx, res, get_double(ctx, res) / get_double(ctx, &tmp));
|
| 482 |
|
|
else {
|
| 483 |
|
|
ctx->error=invalid_type;
|
| 484 |
|
|
return;
|
| 485 |
|
|
}
|
| 486 |
|
|
} else {
|
| 487 |
|
|
if (op[0] == '*')
|
| 488 |
|
|
set_int(ctx, res, get_int(ctx, res) * get_int(ctx, &tmp));
|
| 489 |
|
|
else if (op[0] == '/')
|
| 490 |
|
|
set_int(ctx, res, get_int(ctx, res) / get_int(ctx, &tmp));
|
| 491 |
|
|
else
|
| 492 |
|
|
set_int(ctx, res, get_int(ctx, res) % get_int(ctx, &tmp));
|
| 493 |
|
|
}
|
| 494 |
|
|
if (ctx->error) return;
|
| 495 |
|
|
}
|
| 496 |
|
|
}
|
| 497 |
|
|
|
| 498 |
|
|
static void
|
| 499 |
|
|
eval_additive(struct context *ctx, struct result *res)
|
| 500 |
|
|
{
|
| 501 |
|
|
struct result tmp;
|
| 502 |
|
|
const char *op;
|
| 503 |
|
|
|
| 504 |
|
|
eval_multiplicative(ctx, res);
|
| 505 |
|
|
if (ctx->error) return;
|
| 506 |
|
|
for (;;) {
|
| 507 |
|
|
if (!(op=get_op(ctx,0,"-","+",NULL))) return;
|
| 508 |
|
|
eval_multiplicative(ctx, &tmp);
|
| 509 |
|
|
if (ctx->error) return;
|
| 510 |
|
|
if (is_double(res) || is_double(&tmp)) {
|
| 511 |
|
|
if (op[0] == '+')
|
| 512 |
|
|
set_double(ctx, res, get_double(ctx, res) + get_double(ctx, &tmp));
|
| 513 |
|
|
else
|
| 514 |
|
|
set_double(ctx, res, get_double(ctx, res) - get_double(ctx, &tmp));
|
| 515 |
|
|
} else {
|
| 516 |
|
|
if (op[0] == '+')
|
| 517 |
|
|
set_int(ctx, res, get_int(ctx, res) + get_int(ctx, &tmp));
|
| 518 |
|
|
else
|
| 519 |
|
|
set_int(ctx, res, get_int(ctx, res) - get_int(ctx, &tmp));
|
| 520 |
|
|
}
|
| 521 |
|
|
if (ctx->error) return;
|
| 522 |
|
|
}
|
| 523 |
|
|
}
|
| 524 |
|
|
|
| 525 |
|
|
static void
|
| 526 |
|
|
eval_equality(struct context *ctx, struct result *res)
|
| 527 |
|
|
{
|
| 528 |
|
|
struct result tmp;
|
| 529 |
|
|
const char *op;
|
| 530 |
|
|
|
| 531 |
|
|
eval_additive(ctx, res);
|
| 532 |
|
|
if (ctx->error) return;
|
| 533 |
|
|
for (;;) {
|
| 534 |
|
|
if (!(op=get_op(ctx,0,"==","!=","<=",">=","<",">",NULL))) return;
|
| 535 |
|
|
eval_additive(ctx, &tmp);
|
| 536 |
|
|
if (ctx->error) return;
|
| 537 |
|
|
|
| 538 |
|
|
switch (op[0]) {
|
| 539 |
|
|
case '=':
|
| 540 |
|
|
set_int(ctx, res, (get_int(ctx, res) == get_int(ctx, &tmp)));
|
| 541 |
|
|
break;
|
| 542 |
|
|
case '!':
|
| 543 |
|
|
set_int(ctx, res, (get_int(ctx, res) != get_int(ctx, &tmp)));
|
| 544 |
|
|
break;
|
| 545 |
|
|
case '<':
|
| 546 |
|
|
if (op[1] == '=') {
|
| 547 |
|
|
set_int(ctx, res, (get_int(ctx, res) <= get_int(ctx, &tmp)));
|
| 548 |
|
|
} else {
|
| 549 |
|
|
set_int(ctx, res, (get_int(ctx, res) < get_int(ctx, &tmp)));
|
| 550 |
|
|
}
|
| 551 |
|
|
break;
|
| 552 |
|
|
case '>':
|
| 553 |
|
|
if (op[1] == '=') {
|
| 554 |
|
|
set_int(ctx, res, (get_int(ctx, res) >= get_int(ctx, &tmp)));
|
| 555 |
|
|
} else {
|
| 556 |
|
|
set_int(ctx, res, (get_int(ctx, res) > get_int(ctx, &tmp)));
|
| 557 |
|
|
}
|
| 558 |
|
|
break;
|
| 559 |
|
|
default:
|
| 560 |
|
|
break;
|
| 561 |
|
|
}
|
| 562 |
|
|
result_free(&tmp);
|
| 563 |
|
|
}
|
| 564 |
|
|
}
|
| 565 |
|
|
|
| 566 |
|
|
|
| 567 |
|
|
static void
|
| 568 |
|
|
eval_bitwise_and(struct context *ctx, struct result *res)
|
| 569 |
|
|
{
|
| 570 |
|
|
struct result tmp;
|
| 571 |
|
|
|
| 572 |
|
|
eval_equality(ctx, res);
|
| 573 |
|
|
if (ctx->error) return;
|
| 574 |
|
|
for (;;) {
|
| 575 |
|
|
if (get_op(ctx,1,"&&",NULL)) return;
|
| 576 |
|
|
if (!get_op(ctx,0,"&",NULL)) return;
|
| 577 |
|
|
eval_equality(ctx, &tmp);
|
| 578 |
|
|
if (ctx->error) return;
|
| 579 |
|
|
set_int(ctx, res, get_int(ctx, res) & get_int(ctx, &tmp));
|
| 580 |
|
|
if (ctx->error) return;
|
| 581 |
|
|
}
|
| 582 |
|
|
}
|
| 583 |
|
|
|
| 584 |
|
|
static void
|
| 585 |
|
|
eval_bitwise_xor(struct context *ctx, struct result *res)
|
| 586 |
|
|
{
|
| 587 |
|
|
struct result tmp;
|
| 588 |
|
|
|
| 589 |
|
|
eval_bitwise_and(ctx, res);
|
| 590 |
|
|
if (ctx->error) return;
|
| 591 |
|
|
for (;;) {
|
| 592 |
|
|
if (!get_op(ctx,0,"^",NULL)) return;
|
| 593 |
|
|
eval_bitwise_and(ctx, &tmp);
|
| 594 |
|
|
if (ctx->error) return;
|
| 595 |
|
|
set_int(ctx, res, get_int(ctx, res) ^ get_int(ctx, &tmp));
|
| 596 |
|
|
if (ctx->error) return;
|
| 597 |
|
|
}
|
| 598 |
|
|
}
|
| 599 |
|
|
|
| 600 |
|
|
static void
|
| 601 |
|
|
eval_bitwise_or(struct context *ctx, struct result *res)
|
| 602 |
|
|
{
|
| 603 |
|
|
struct result tmp;
|
| 604 |
|
|
|
| 605 |
|
|
eval_bitwise_xor(ctx, res);
|
| 606 |
|
|
if (ctx->error) return;
|
| 607 |
|
|
for (;;) {
|
| 608 |
|
|
if (get_op(ctx,1,"||",NULL)) return;
|
| 609 |
|
|
if (!get_op(ctx,0,"|",NULL)) return;
|
| 610 |
|
|
eval_bitwise_xor(ctx, &tmp);
|
| 611 |
|
|
if (ctx->error) return;
|
| 612 |
|
|
set_int(ctx, res, get_int(ctx, res) | get_int(ctx, &tmp));
|
| 613 |
|
|
if (ctx->error) return;
|
| 614 |
|
|
}
|
| 615 |
|
|
}
|
| 616 |
|
|
|
| 617 |
|
|
static void
|
| 618 |
|
|
eval_logical_and(struct context *ctx, struct result *res)
|
| 619 |
|
|
{
|
| 620 |
|
|
struct result tmp;
|
| 621 |
|
|
|
| 622 |
|
|
eval_bitwise_or(ctx, res);
|
| 623 |
|
|
if (ctx->error) return;
|
| 624 |
|
|
for (;;) {
|
| 625 |
|
|
if (!get_op(ctx,0,"&&",NULL)) return;
|
| 626 |
|
|
eval_bitwise_or(ctx, &tmp);
|
| 627 |
|
|
if (ctx->error) return;
|
| 628 |
|
|
set_int(ctx, res, get_int(ctx, res) && get_int(ctx, &tmp));
|
| 629 |
|
|
if (ctx->error) return;
|
| 630 |
|
|
}
|
| 631 |
|
|
}
|
| 632 |
|
|
|
| 633 |
|
|
static void
|
| 634 |
|
|
eval_logical_or(struct context *ctx, struct result *res)
|
| 635 |
|
|
{
|
| 636 |
|
|
struct result tmp;
|
| 637 |
|
|
|
| 638 |
|
|
eval_logical_and(ctx, res);
|
| 639 |
|
|
if (ctx->error) return;
|
| 640 |
|
|
for (;;) {
|
| 641 |
|
|
if (!get_op(ctx,0,"||",NULL)) return;
|
| 642 |
|
|
eval_logical_and(ctx, &tmp);
|
| 643 |
|
|
if (ctx->error) return;
|
| 644 |
|
|
set_int(ctx, res, get_int(ctx, res) || get_int(ctx, &tmp));
|
| 645 |
|
|
if (ctx->error) return;
|
| 646 |
|
|
}
|
| 647 |
|
|
}
|
| 648 |
|
|
|
| 649 |
|
|
static void
|
| 650 |
|
|
eval_conditional(struct context *ctx, struct result *res)
|
| 651 |
|
|
{
|
| 652 |
|
|
struct result tmp;
|
| 653 |
|
|
int cond;
|
| 654 |
|
|
|
| 655 |
|
|
eval_logical_or(ctx, res);
|
| 656 |
|
|
if (ctx->error) return;
|
| 657 |
|
|
if (!get_op(ctx,0,"?",NULL)) return;
|
| 658 |
|
|
cond=!!get_int(ctx, res);
|
| 659 |
|
|
if (ctx->error) return;
|
| 660 |
|
|
eval_logical_or(ctx, &tmp);
|
| 661 |
|
|
if (ctx->error) return;
|
| 662 |
|
|
if (cond)
|
| 663 |
|
|
*res=tmp;
|
| 664 |
|
|
if (!get_op(ctx,0,":",NULL)) {
|
| 665 |
|
|
ctx->error=missing_colon;
|
| 666 |
|
|
return;
|
| 667 |
|
|
}
|
| 668 |
|
|
eval_logical_or(ctx, &tmp);
|
| 669 |
|
|
if (ctx->error) return;
|
| 670 |
|
|
if (!cond)
|
| 671 |
|
|
*res=tmp;
|
| 672 |
|
|
}
|
| 673 |
|
|
|
| 674 |
|
|
/* = *= /= %= += -= >>= <<= &= ^= |= */
|
| 675 |
|
|
|
| 676 |
|
|
static void
|
| 677 |
|
|
eval_assignment(struct context *ctx, struct result *res)
|
| 678 |
|
|
{
|
| 679 |
|
|
struct result tmp;
|
| 680 |
|
|
eval_conditional(ctx, res);
|
| 681 |
|
|
if (ctx->error) return;
|
| 682 |
|
|
if (!get_op(ctx,0,"=",NULL)) return;
|
| 683 |
|
|
eval_conditional(ctx, &tmp);
|
| 684 |
|
|
if (ctx->error) return;
|
| 685 |
|
|
resolve(ctx, &tmp, NULL);
|
| 686 |
|
|
if (ctx->error) return;
|
| 687 |
|
|
resolve_object(ctx, res);
|
| 688 |
|
|
command_set_attr(ctx, res, &tmp);
|
| 689 |
|
|
}
|
| 690 |
|
|
|
| 691 |
|
|
/* , */
|
| 692 |
|
|
static void
|
| 693 |
|
|
eval_comma(struct context *ctx, struct result *res)
|
| 694 |
|
|
{
|
| 695 |
|
|
struct result tmp;
|
| 696 |
|
|
|
| 697 |
|
|
eval_assignment(ctx, res);
|
| 698 |
|
|
if (ctx->error) return;
|
| 699 |
|
|
for (;;) {
|
| 700 |
|
|
if (!get_op(ctx,0,",",NULL)) return;
|
| 701 |
|
|
eval_assignment(ctx, &tmp);
|
| 702 |
|
|
if (ctx->error) return;
|
| 703 |
|
|
*res=tmp;
|
| 704 |
|
|
}
|
| 705 |
|
|
}
|
| 706 |
|
|
|
| 707 |
|
|
static struct attr **
|
| 708 |
|
|
eval_list(struct context *ctx)
|
| 709 |
|
|
{
|
| 710 |
|
|
struct result tmp;
|
| 711 |
|
|
|
| 712 |
|
|
struct attr **ret=NULL;
|
| 713 |
|
|
for (;;) {
|
| 714 |
|
|
eval_assignment(ctx, &tmp);
|
| 715 |
|
|
if (ctx->error) {
|
| 716 |
|
|
attr_list_free(ret);
|
| 717 |
|
|
return NULL;
|
| 718 |
|
|
}
|
| 719 |
|
|
resolve(ctx, &tmp, NULL);
|
| 720 |
|
|
ret=attr_generic_add_attr(ret, &tmp.attr);
|
| 721 |
|
|
if (!get_op(ctx,0,",",NULL)) return ret;
|
| 722 |
|
|
}
|
| 723 |
|
|
}
|
| 724 |
|
|
|
| 725 |
|
|
#if 0
|
| 726 |
|
|
|
| 727 |
|
|
void command(struct attr *attr, char *expr)
|
| 728 |
|
|
{
|
| 729 |
|
|
struct result res;
|
| 730 |
|
|
struct context ctx;
|
| 731 |
|
|
memset(&res, 0, sizeof(res));
|
| 732 |
|
|
memset(&ctx, 0, sizeof(ctx));
|
| 733 |
|
|
ctx.attr=attr;
|
| 734 |
|
|
ctx.error=0;
|
| 735 |
|
|
ctx.expr=expr;
|
| 736 |
|
|
printf("command='%s'\n", expr);
|
| 737 |
|
|
eval_comma(&ctx,&res);
|
| 738 |
|
|
printf("err=%d %s\n", ctx.error, ctx.expr);
|
| 739 |
|
|
dump(&res);
|
| 740 |
|
|
printf("***\n");
|
| 741 |
|
|
resolve(&ctx, &res, NULL);
|
| 742 |
|
|
dump(&res);
|
| 743 |
|
|
printf("%s\n", get_string(&ctx, &res));
|
| 744 |
|
|
}
|
| 745 |
|
|
#endif
|
| 746 |
|
|
|
| 747 |
|
|
static void
|
| 748 |
|
|
command_evaluate_to(struct attr *attr, const char *expr, struct context *ctx, struct result *res)
|
| 749 |
|
|
{
|
| 750 |
|
|
memset(res, 0, sizeof(*res));
|
| 751 |
|
|
memset(ctx, 0, sizeof(*ctx));
|
| 752 |
|
|
ctx->attr=attr;
|
| 753 |
|
|
ctx->expr=expr;
|
| 754 |
|
|
eval_comma(ctx,res);
|
| 755 |
|
|
}
|
| 756 |
|
|
|
| 757 |
|
|
enum attr_type
|
| 758 |
|
|
command_evaluate_to_attr(struct attr *attr, char *expr, int *error, struct attr *ret)
|
| 759 |
|
|
{
|
| 760 |
|
|
struct result res;
|
| 761 |
|
|
struct context ctx;
|
| 762 |
|
|
command_evaluate_to(attr, expr, &ctx, &res);
|
| 763 |
|
|
if (ctx.error)
|
| 764 |
|
|
return attr_none;
|
| 765 |
|
|
resolve_object(&ctx, &res);
|
| 766 |
|
|
*ret=res.attr;
|
| 767 |
|
|
dbg(0,"type %s\n",attr_to_name(command_attr_type(&res)));
|
| 768 |
|
|
return command_attr_type(&res);
|
| 769 |
|
|
}
|
| 770 |
|
|
|
| 771 |
|
|
void
|
| 772 |
|
|
command_evaluate_to_void(struct attr *attr, char *expr, int *error)
|
| 773 |
|
|
{
|
| 774 |
|
|
struct result res;
|
| 775 |
|
|
struct context ctx;
|
| 776 |
|
|
command_evaluate_to(attr, expr, &ctx, &res);
|
| 777 |
|
|
if (!ctx.error)
|
| 778 |
|
|
resolve(&ctx, &res, NULL);
|
| 779 |
|
|
if (error)
|
| 780 |
|
|
*error=ctx.error;
|
| 781 |
|
|
|
| 782 |
|
|
}
|
| 783 |
|
|
|
| 784 |
|
|
char *
|
| 785 |
|
|
command_evaluate_to_string(struct attr *attr, char *expr, int *error)
|
| 786 |
|
|
{
|
| 787 |
|
|
struct result res;
|
| 788 |
|
|
struct context ctx;
|
| 789 |
|
|
char *ret=NULL;
|
| 790 |
|
|
|
| 791 |
|
|
command_evaluate_to(attr, expr, &ctx, &res);
|
| 792 |
|
|
if (!ctx.error)
|
| 793 |
|
|
resolve(&ctx, &res, NULL);
|
| 794 |
|
|
if (!ctx.error)
|
| 795 |
|
|
ret=get_string(&ctx, &res);
|
| 796 |
|
|
if (error)
|
| 797 |
|
|
*error=ctx.error;
|
| 798 |
|
|
if (ctx.error)
|
| 799 |
|
|
return NULL;
|
| 800 |
|
|
else
|
| 801 |
|
|
return ret;
|
| 802 |
|
|
}
|
| 803 |
|
|
|
| 804 |
|
|
int
|
| 805 |
|
|
command_evaluate_to_int(struct attr *attr, char *expr, int *error)
|
| 806 |
|
|
{
|
| 807 |
|
|
struct result res;
|
| 808 |
|
|
struct context ctx;
|
| 809 |
|
|
int ret=0;
|
| 810 |
|
|
|
| 811 |
|
|
command_evaluate_to(attr, expr, &ctx, &res);
|
| 812 |
|
|
if (!ctx.error)
|
| 813 |
|
|
resolve(&ctx, &res, NULL);
|
| 814 |
|
|
if (!ctx.error)
|
| 815 |
|
|
ret=get_int(&ctx, &res);
|
| 816 |
|
|
if (error)
|
| 817 |
|
|
*error=ctx.error;
|
| 818 |
|
|
if (ctx.error)
|
| 819 |
|
|
return 0;
|
| 820 |
|
|
else
|
| 821 |
|
|
return ret;
|
| 822 |
|
|
}
|
| 823 |
|
|
|
| 824 |
|
|
int
|
| 825 |
|
|
command_evaluate_to_boolean(struct attr *attr, const char *expr, int *error)
|
| 826 |
|
|
{
|
| 827 |
|
|
struct result res;
|
| 828 |
|
|
struct context ctx;
|
| 829 |
|
|
int ret=0;
|
| 830 |
|
|
|
| 831 |
|
|
command_evaluate_to(attr, expr, &ctx, &res);
|
| 832 |
|
|
if (!ctx.error)
|
| 833 |
|
|
resolve(&ctx, &res, NULL);
|
| 834 |
|
|
if (!ctx.error) {
|
| 835 |
|
|
if (res.attr.type == attr_none)
|
| 836 |
|
|
ret=0;
|
| 837 |
|
|
else if ((res.attr.type >= attr_type_int_begin && res.attr.type <= attr_type_int_end) ||
|
| 838 |
|
|
(res.attr.type >= attr_type_double_begin && res.attr.type <= attr_type_double_end))
|
| 839 |
|
|
ret=get_int(&ctx, &res);
|
| 840 |
|
|
else
|
| 841 |
|
|
ret=res.attr.u.data != NULL;
|
| 842 |
|
|
}
|
| 843 |
|
|
if (error)
|
| 844 |
|
|
*error=ctx.error;
|
| 845 |
|
|
if (ctx.error)
|
| 846 |
|
|
return 0;
|
| 847 |
|
|
else
|
| 848 |
|
|
return ret;
|
| 849 |
|
|
}
|
| 850 |
|
|
|
| 851 |
|
|
void
|
| 852 |
|
|
command_evaluate(struct attr *attr, const char *expr)
|
| 853 |
|
|
{
|
| 854 |
|
|
/* Once the eval has started we can't rely anymore on the content of
|
| 855 |
|
|
* expr which may be freed when the calling widget is destroyed by a
|
| 856 |
|
|
* subsequent command call. Hence the g_strdup. */
|
| 857 |
|
|
|
| 858 |
|
|
char *expr_dup;
|
| 859 |
|
|
struct result res;
|
| 860 |
|
|
struct context ctx;
|
| 861 |
|
|
memset(&res, 0, sizeof(res));
|
| 862 |
|
|
memset(&ctx, 0, sizeof(ctx));
|
| 863 |
|
|
ctx.attr=attr;
|
| 864 |
|
|
ctx.error=0;
|
| 865 |
|
|
ctx.expr=expr_dup=g_strdup(expr);
|
| 866 |
|
|
for (;;) {
|
| 867 |
|
|
eval_comma(&ctx,&res);
|
| 868 |
|
|
if (ctx.error)
|
| 869 |
|
|
break;
|
| 870 |
|
|
resolve(&ctx, &res, NULL);
|
| 871 |
|
|
if (ctx.error)
|
| 872 |
|
|
break;
|
| 873 |
|
|
if (!get_op(&ctx,0,";",NULL))
|
| 874 |
|
|
break;
|
| 875 |
|
|
}
|
| 876 |
|
|
g_free(expr_dup);
|
| 877 |
|
|
}
|
| 878 |
|
|
|
| 879 |
|
|
#if 0
|
| 880 |
|
|
void
|
| 881 |
|
|
command_interpreter(struct attr *attr)
|
| 882 |
|
|
{
|
| 883 |
|
|
char buffer[4096];
|
| 884 |
|
|
int size;
|
| 885 |
|
|
for (;;) {
|
| 886 |
|
|
size=read(0, buffer, 4095);
|
| 887 |
|
|
buffer[size]='\0';
|
| 888 |
|
|
if (size) {
|
| 889 |
|
|
buffer[size-1]='\0';
|
| 890 |
|
|
}
|
| 891 |
|
|
command(attr, buffer);
|
| 892 |
|
|
}
|
| 893 |
|
|
}
|
| 894 |
|
|
#endif
|
| 895 |
|
|
|
| 896 |
|
|
static void
|
| 897 |
|
|
command_table_call(struct command_table *table, int count, void *data, char *command, struct attr **in, struct attr ***out, int *valid)
|
| 898 |
|
|
{
|
| 899 |
|
|
int i;
|
| 900 |
|
|
for (i = 0 ; i < count ; i++) {
|
| 901 |
|
|
if (!strcmp(command,table->command)) {
|
| 902 |
|
|
if (valid)
|
| 903 |
|
|
*valid=1;
|
| 904 |
|
|
table->func(data, command, in, out);
|
| 905 |
|
|
}
|
| 906 |
|
|
table++;
|
| 907 |
|
|
}
|
| 908 |
|
|
}
|
| 909 |
|
|
|
| 910 |
|
|
void
|
| 911 |
|
|
command_add_table_attr(struct command_table *table, int count, void *data, struct attr *attr)
|
| 912 |
|
|
{
|
| 913 |
|
|
attr->type=attr_callback;
|
| 914 |
|
|
attr->u.callback=callback_new_attr_3(callback_cast(command_table_call),attr_command, table, count, data);
|
| 915 |
|
|
}
|
| 916 |
|
|
|
| 917 |
|
|
void
|
| 918 |
|
|
command_add_table(struct callback_list *cbl, struct command_table *table, int count, void *data)
|
| 919 |
|
|
{
|
| 920 |
|
|
struct attr attr;
|
| 921 |
|
|
command_add_table_attr(table, count, data, &attr);
|
| 922 |
zoff99 |
40 |
/// -------**++**-- DISABLE --**++**---- callback_list_add(cbl, attr.u.callback);
|
| 923 |
zoff99 |
2 |
}
|
| 924 |
|
|
|
| 925 |
|
|
void
|
| 926 |
|
|
command_saved_set_cb (struct command_saved *cs, struct callback *cb)
|
| 927 |
|
|
{
|
| 928 |
|
|
cs->cb = cb;
|
| 929 |
|
|
}
|
| 930 |
|
|
|
| 931 |
|
|
int
|
| 932 |
|
|
command_saved_get_int (struct command_saved *cs)
|
| 933 |
|
|
{
|
| 934 |
|
|
return get_int(&cs->ctx, &cs->res);
|
| 935 |
|
|
}
|
| 936 |
|
|
|
| 937 |
|
|
int
|
| 938 |
|
|
command_saved_error (struct command_saved *cs)
|
| 939 |
|
|
{
|
| 940 |
|
|
return cs->error;
|
| 941 |
|
|
}
|
| 942 |
|
|
|
| 943 |
|
|
static void
|
| 944 |
|
|
command_saved_evaluate_idle (struct command_saved *cs)
|
| 945 |
|
|
{
|
| 946 |
|
|
// Only run once at a time
|
| 947 |
|
|
if (cs->idle_ev) {
|
| 948 |
|
|
event_remove_idle(cs->idle_ev);
|
| 949 |
|
|
cs->idle_ev = NULL;
|
| 950 |
|
|
}
|
| 951 |
|
|
|
| 952 |
|
|
command_evaluate_to(&cs->navit, cs->command, &cs->ctx, &cs->res);
|
| 953 |
|
|
|
| 954 |
|
|
if (!cs->ctx.error) {
|
| 955 |
|
|
cs->error = 0;
|
| 956 |
|
|
|
| 957 |
|
|
if (cs->cb) {
|
| 958 |
|
|
callback_call_1(cs->cb, cs);
|
| 959 |
|
|
}
|
| 960 |
|
|
} else {
|
| 961 |
|
|
cs->error = cs->ctx.error;
|
| 962 |
|
|
}
|
| 963 |
|
|
}
|
| 964 |
|
|
|
| 965 |
|
|
static void
|
| 966 |
|
|
command_saved_evaluate(struct command_saved *cs)
|
| 967 |
|
|
{
|
| 968 |
|
|
if (cs->idle_ev) {
|
| 969 |
|
|
// We're already scheduled for reevaluation
|
| 970 |
|
|
return;
|
| 971 |
|
|
}
|
| 972 |
|
|
|
| 973 |
|
|
if (!cs->idle_cb) {
|
| 974 |
|
|
cs->idle_cb = callback_new_1(callback_cast(command_saved_evaluate_idle), cs);
|
| 975 |
|
|
}
|
| 976 |
|
|
|
| 977 |
|
|
cs->idle_ev = event_add_idle(100, cs->idle_cb);
|
| 978 |
|
|
}
|
| 979 |
|
|
|
| 980 |
|
|
static void
|
| 981 |
|
|
command_saved_callbacks_changed(struct command_saved *cs)
|
| 982 |
|
|
{
|
| 983 |
|
|
// For now, we delete each and every callback and then re-create them
|
| 984 |
|
|
int i;
|
| 985 |
|
|
struct object_func *func;
|
| 986 |
|
|
struct attr attr;
|
| 987 |
|
|
|
| 988 |
|
|
if (cs->register_ev) {
|
| 989 |
|
|
event_remove_idle(cs->register_ev);
|
| 990 |
|
|
cs->register_ev = NULL;
|
| 991 |
|
|
}
|
| 992 |
|
|
|
| 993 |
|
|
attr.type = attr_callback;
|
| 994 |
|
|
|
| 995 |
|
|
for (i = 0; i < cs->num_cbs; i++) {
|
| 996 |
|
|
func = object_func_lookup(cs->cbs[i].attr.type);
|
| 997 |
|
|
|
| 998 |
|
|
if (!func->remove_attr) {
|
| 999 |
|
|
dbg(0, "Could not remove command-evaluation callback because remove_attr is missing for type %i!\n", cs->cbs[i].attr.type);
|
| 1000 |
|
|
continue;
|
| 1001 |
|
|
}
|
| 1002 |
|
|
|
| 1003 |
|
|
attr.u.callback = cs->cbs[i].cb;
|
| 1004 |
|
|
|
| 1005 |
|
|
func->remove_attr(cs->cbs[i].attr.u.data, &attr);
|
| 1006 |
|
|
callback_destroy(cs->cbs[i].cb);
|
| 1007 |
|
|
}
|
| 1008 |
|
|
|
| 1009 |
|
|
g_free(cs->cbs);
|
| 1010 |
|
|
cs->cbs = NULL;
|
| 1011 |
|
|
cs->num_cbs = 0;
|
| 1012 |
|
|
|
| 1013 |
|
|
// Now, re-create all the callbacks
|
| 1014 |
|
|
command_register_callbacks(cs);
|
| 1015 |
|
|
}
|
| 1016 |
|
|
|
| 1017 |
|
|
static int
|
| 1018 |
|
|
command_register_callbacks(struct command_saved *cs)
|
| 1019 |
|
|
{
|
| 1020 |
|
|
struct attr prev,cb_attr,attr;
|
| 1021 |
|
|
int status;
|
| 1022 |
|
|
struct object_func *func;
|
| 1023 |
|
|
struct callback *cb;
|
| 1024 |
|
|
|
| 1025 |
|
|
attr = cs->navit;
|
| 1026 |
|
|
cs->ctx.expr = cs->command;
|
| 1027 |
|
|
cs->ctx.attr = &attr;
|
| 1028 |
|
|
prev = cs->navit;
|
| 1029 |
|
|
|
| 1030 |
|
|
while ((status = get_next_object(&cs->ctx, &cs->res)) != 0) {
|
| 1031 |
|
|
resolve(&cs->ctx, &cs->res, NULL);
|
| 1032 |
|
|
|
| 1033 |
|
|
if (cs->ctx.error || (cs->res.attr.type == attr_none)) {
|
| 1034 |
|
|
// We could not resolve an object, perhaps because it has not been created
|
| 1035 |
|
|
return 0;
|
| 1036 |
|
|
}
|
| 1037 |
|
|
|
| 1038 |
|
|
if (prev.type != attr_none) {
|
| 1039 |
|
|
func = object_func_lookup(prev.type);
|
| 1040 |
|
|
|
| 1041 |
|
|
if (func->add_attr) {
|
| 1042 |
|
|
if (status == 2) { // This is not the final attribute name
|
| 1043 |
|
|
cb = callback_new_attr_1(callback_cast(command_saved_callbacks_changed), cs->res.attr.type, (void*)cs);
|
| 1044 |
|
|
attr = cs->res.attr;
|
| 1045 |
|
|
} else if (status == 1) { // This is the final attribute name
|
| 1046 |
|
|
cb = callback_new_attr_1(callback_cast(command_saved_evaluate), cs->res.attr.type, (void*)cs);
|
| 1047 |
|
|
cs->ctx.attr = &cs->navit;
|
| 1048 |
|
|
} else {
|
| 1049 |
|
|
dbg(0, "Error: Strange status returned from get_next_object()\n");
|
| 1050 |
|
|
}
|
| 1051 |
|
|
|
| 1052 |
|
|
cs->num_cbs++;
|
| 1053 |
|
|
cs->cbs = g_realloc(cs->cbs, (sizeof(struct command_saved_cb) * cs->num_cbs));
|
| 1054 |
|
|
cs->cbs[cs->num_cbs-1].cb = cb;
|
| 1055 |
|
|
cs->cbs[cs->num_cbs-1].attr = prev;
|
| 1056 |
|
|
|
| 1057 |
|
|
cb_attr.u.callback = cb;
|
| 1058 |
|
|
cb_attr.type = attr_callback;
|
| 1059 |
|
|
|
| 1060 |
|
|
func->add_attr(prev.u.data, &cb_attr);
|
| 1061 |
|
|
|
| 1062 |
|
|
} else {
|
| 1063 |
|
|
dbg(0, "Could not add callback because add_attr is missing for type %i}n", prev.type);
|
| 1064 |
|
|
}
|
| 1065 |
|
|
}
|
| 1066 |
|
|
|
| 1067 |
|
|
if (status == 2) {
|
| 1068 |
|
|
prev = cs->res.attr;
|
| 1069 |
|
|
} else {
|
| 1070 |
|
|
prev = cs->navit;
|
| 1071 |
|
|
}
|
| 1072 |
|
|
}
|
| 1073 |
|
|
|
| 1074 |
|
|
command_saved_evaluate_idle(cs);
|
| 1075 |
|
|
|
| 1076 |
|
|
return 1;
|
| 1077 |
|
|
}
|
| 1078 |
|
|
|
| 1079 |
|
|
struct command_saved
|
| 1080 |
|
|
*command_saved_new(char *command, struct navit *navit, struct callback *cb)
|
| 1081 |
|
|
{
|
| 1082 |
|
|
struct command_saved *ret;
|
| 1083 |
|
|
|
| 1084 |
|
|
ret = g_new0(struct command_saved, 1);
|
| 1085 |
|
|
ret->command = g_strdup(command);
|
| 1086 |
|
|
ret->navit.u.navit = navit;
|
| 1087 |
|
|
ret->navit.type = attr_navit;
|
| 1088 |
|
|
ret->cb = cb;
|
| 1089 |
|
|
ret->error = not_ready;
|
| 1090 |
|
|
|
| 1091 |
|
|
if (!command_register_callbacks(ret)) {
|
| 1092 |
|
|
// We try this as an idle call again
|
| 1093 |
|
|
ret->register_cb = callback_new_1(callback_cast(command_saved_callbacks_changed), ret);
|
| 1094 |
|
|
ret->register_ev = event_add_idle(300, ret->register_cb);
|
| 1095 |
|
|
}
|
| 1096 |
|
|
|
| 1097 |
|
|
return ret;
|
| 1098 |
|
|
}
|
| 1099 |
|
|
|
| 1100 |
|
|
void
|
| 1101 |
|
|
command_saved_destroy(struct command_saved *cs)
|
| 1102 |
|
|
{
|
| 1103 |
|
|
g_free(cs->command);
|
| 1104 |
|
|
g_free(cs);
|
| 1105 |
|
|
}
|
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