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1cd49a8d1c
* Improve undo command listing * The cmd.undo variable when set some commands add entries into the `uc` * This is wip, needs to have better facilities and support more commands * Defer cmd.undo=true for r2-5.8.0
121 lines
2.6 KiB
C
121 lines
2.6 KiB
C
/* radare2 - LGPL - Copyright 2018-2022 - pancake */
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#include <r_core.h>
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#if 0
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TODO:
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- add more methods to "undo according to some conditions"
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- undo all comments in current offfset
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#endif
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R_API RCoreUndo *r_core_undo_new(ut64 offset, const char *action, const char *revert) {
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RCoreUndo *cu = R_NEW (RCoreUndo);
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if (cu) {
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cu->action = strdup (action);
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cu->revert = strdup (revert);
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cu->tstamp = r_time_now ();
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cu->offset = offset;
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}
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return cu;
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}
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R_API void r_core_undo_free(RCoreUndo *cu) {
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if (cu) {
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free (cu->action);
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free (cu->revert);
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}
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free (cu);
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}
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R_API void r_core_undo_push(RCore *core, RCoreUndo *cu) {
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r_return_if_fail (core && cu);
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r_list_append (core->undos, cu);
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#if R2_580
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core->undoindex ++;
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#endif
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}
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R_API void r_core_undo_pop(RCore *core) {
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r_return_if_fail (core);
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RCoreUndo *undo = r_list_pop (core->undos);
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if (undo) {
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r_core_cmd0 (core, undo->revert);
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r_core_undo_free (undo);
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}
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}
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R_API bool r_core_undo_condition(RCoreUndo *cu, RCoreUndoCondition *cond) {
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if (!cond) {
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return true;
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}
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bool mustPrint = false;
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if (cond->addr != UT64_MAX) {
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mustPrint = (cu->offset == cond->addr);
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}
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if (cond->minstamp) {
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mustPrint = (cu->tstamp >= cond->minstamp);
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}
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if (cond->glob) {
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mustPrint = r_str_glob (cu->action, cond->glob);
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}
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return mustPrint;
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}
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R_API void r_core_undo_print(RCore *core, int mode, RCoreUndoCondition *cond) {
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RCoreUndo *cu;
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RListIter *iter;
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if (mode) {
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r_list_foreach (core->undos, iter, cu) {
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if (r_core_undo_condition (cu, cond)) {
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r_cons_printf ("%s @ 0x%"PFMT64x"\n", cu->revert, cu->offset);
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}
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}
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} else {
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ut64 now = r_time_now ();
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int i = 0;
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r_list_foreach (core->undos, iter, cu) {
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#if R2_580
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const char * arrow = (i == core->undoindex - 1)? "*": "-";
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#else
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const char * arrow = "-";
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#endif
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r_cons_printf ("%s 0x%08"PFMT64x" old:% ds cmd: %s (revert: %s)\n",
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arrow, cu->offset, (int)((now - cu->tstamp) / 1000000), cu->action, cu->revert);
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i++;
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}
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}
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}
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#if R2_580
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R_API void r_core_undo_down(RCore *core) {
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// undo
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int undos = r_list_length (core->undos);
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if (core->undoindex >= undos) {
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return;
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}
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core->undoindex++;
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RCoreUndo *undo = r_list_get_n (core->undos, core->undoindex - 1);
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if (undo) {
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r_core_cmd0 (core, undo->action);
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}
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}
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R_API void r_core_undo_up(RCore *core) {
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// redo
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const bool cmd_undo = r_config_get_b (core->config, "cmd.undo");
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r_config_set_b (core->config, "cmd.undo", false);
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core->undoindex--;
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if (core->undoindex < 0) {
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core->undoindex = 0;
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return;
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}
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RCoreUndo *undo = r_list_get_n (core->undos, core->undoindex);
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if (undo) {
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r_core_cmd0 (core, undo->revert);
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}
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r_config_set_b (core->config, "cmd.undo", cmd_undo);
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}
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#endif
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