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#include <string.h>
#include <glib.h>
#include <glib/gprintf.h>
#include "sciteco.h"
#include "parser.h"
#include "goto.h"
#include "undo.h"
static inline const gchar *process_edit_cmd(gchar key);
static gchar *macro_echo(const gchar *macro, const gchar *prefix = "");
gchar *cmdline = NULL;
void
cmdline_keypress(gchar key)
{
const gchar *insert;
gint old_cmdline_len = 0;
gchar *echo;
/*
* Process immediate editing commands
*/
insert = process_edit_cmd(key);
/*
* Parse/execute characters
*/
if (cmdline) {
old_cmdline_len = strlen(cmdline);
cmdline = (gchar *)g_realloc(cmdline, old_cmdline_len +
strlen(insert) + 1);
} else {
cmdline = (gchar *)g_malloc(strlen(insert) + 1);
*cmdline = '\0';
}
for (const gchar *p = insert; *p; p++) {
strcat(cmdline, (gchar[]){*p, '\0'});
if (!macro_execute(cmdline)) {
cmdline[old_cmdline_len] = '\0';
break;
}
}
/*
* Echo command line
*/
echo = macro_echo(cmdline, "*");
cmdline_display(echo);
g_free(echo);
}
static inline const gchar *
process_edit_cmd(gchar key)
{
static gchar insert[255];
gint cmdline_len = cmdline ? strlen(cmdline) : 0;
insert[0] = '\0';
switch (key) {
case '\b':
if (cmdline_len) {
undo.pop(cmdline_len);
cmdline[cmdline_len - 1] = '\0';
macro_pc--;
}
break;
case '\x1B':
if (cmdline && cmdline[cmdline_len - 1] == '\x1B') {
/* TODO: exit if previously requested */
undo.clear();
goto_table_clear();
*cmdline = '\0';
macro_pc = 0;
break;
}
/* fall through */
default:
insert[0] = key;
insert[1] = '\0';
}
return insert;
}
static gchar *
macro_echo(const gchar *macro, const gchar *prefix)
{
gchar *result, *rp;
if (!macro)
return g_strdup(prefix);
result = (gchar *)g_malloc(strlen(prefix) + strlen(macro)*5 + 1);
rp = g_stpcpy(result, prefix);
for (const gchar *p = macro; *p; p++) {
switch (*p) {
case '\x1B':
*rp++ = '$';
break;
case '\r':
rp = g_stpcpy(rp, "<CR>");
break;
case '\n':
rp = g_stpcpy(rp, "<LF>");
break;
case '\t':
rp = g_stpcpy(rp, "<TAB>");
break;
default:
if (IS_CTL(*p)) {
*rp++ = '^';
*rp++ = CTL_ECHO(*p);
} else {
*rp++ = *p;
}
}
}
*rp = '\0';
return result;
}
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