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Refactor makekeys with some convenience functions 

All the nested ifs in the parsing code were confusing me.
master
Dan Nicholson 2009-01-22 08:25:39 -08:00
parent 49cda1187f
commit 79ddd7e530
1 changed files with 75 additions and 42 deletions
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117
src/makekeys/makekeys.c
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@ -55,6 +55,70 @@ static unsigned short indexes[KTNUM];
static KeySym values[KTNUM];
static char buf[1024];
static int
get_keysym(const char *buf, char *key, int index)
{
if (sscanf(buf, "#define XK_%127s 0x%lx", key, &info[index].val) != 2)
return 0;
return 1;
}
static int
get_keysym_alias(const char *buf, char *key, char *alias, int index)
{
int i;
if (sscanf(buf, "#define XK_%127s XK_%127s", key, alias) != 2)
return 0;
for (i = index - 1; i >= 0; i--) {
if (strcmp(info[i].name, alias) == 0) {
info[index].val = info[i].val;
return 1;
}
}
/* Didn't find a match */
if (i < 0) {
fprintf(stderr, "can't find matching definition %s for keysym %s\n",
alias, key);
return -1;
}
}
static int
get_xf86_keysym(const char *buf, char *key, int index)
{
if (sscanf(buf, "#define XF86XK_%127s 0x%lx", key, &info[index].val) != 2)
return 0;
return 1;
}
static int
get_xf86_keysym_alias(const char *buf, char *key, char *alias, int index)
{
int i;
/* Try to handle both XF86XK and XK aliases */
if (sscanf(buf, "#define XF86XK_%127s XF86XK_%127s", key, alias) != 2 &&
sscanf(buf, "#define XF86XK_%127s XK_%127s", key, alias) != 2)
return 0;
for (i = index - 1; i >= 0; i--) {
if (strcmp(info[i].name, alias) == 0) {
info[index].val = info[i].val;
return 1;
}
}
/* Didn't find a match */
if (i < 0) {
fprintf(stderr, "can't find matching definition %s for keysym %s\n",
alias, key);
return -1;
}
}
int
main(int argc, char *argv[])
{
@ -74,54 +138,23 @@ main(int argc, char *argv[])
while (fgets(buf, sizeof(buf), stdin)) {
int handled = 0;
int ret;
/* Manage keysyms from keysymdef.h */
i = sscanf(buf, "#define XK_%127s 0x%lx", key, &info[ksnum].val);
if (i == 2) {
handled = 1;
} else {
i = sscanf(buf, "#define XK_%127s XK_%127s", key, alias);
if (i == 2) {
for (i = ksnum - 1; i >= 0; i--) {
if (strcmp(info[i].name, alias) == 0) {
info[ksnum].val = info[i].val;
handled = 1;
break;
}
}
if (i < 0) { /* Didn't find a match */
fprintf(stderr,
"can't find matching definition %s for keysym %s\n",
alias, key);
continue;
}
}
ret = get_keysym(buf, key, ksnum);
if (!ret) {
ret = get_keysym_alias(buf, key, alias, ksnum);
if (ret == -1)
continue;
}
/* Manage keysyms from XF86keysym.h */
if (!handled)
i = sscanf(buf, "#define XF86XK_%127s 0x%lx", key, &info[ksnum].val);
if (!handled && i != 2) {
/* Try to handle both XF86XK and XK aliases */
i = sscanf(buf, "#define XF86XK_%127s XF86XK_%127s", key, alias);
if (i != 2) {
i = sscanf(buf, "#define XF86XK_%127s XK_%127s", key, alias);
if (i != 2)
continue;
}
for (i = ksnum - 1; i >= 0; i--) {
if (strcmp(info[i].name, alias) == 0) {
info[ksnum].val = info[i].val;
break;
}
}
if (i < 0) { /* Didn't find a match */
fprintf(stderr,
"can't find matching definition %s for keysym %s\n",
alias, key);
if (!ret)
ret = get_xf86_keysym(buf, key, ksnum);
if (!ret) {
ret = get_xf86_keysym_alias(buf, key, alias, ksnum);
if (!ret)
continue;
}
}
if (info[ksnum].val == XK_VoidSymbol)