mirror of
https://github.com/yshui/picom.git
synced 2025-02-17 15:56:21 -05:00
c2: c2_dump is now c2_condition_to_str
Instead of printing directly to stdout, put the result into a string. It's more flexible this way. Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
parent
e981a7604a
commit
2119386713
1 changed files with 105 additions and 62 deletions
167
src/c2.c
167
src/c2.c
|
|
@ -341,8 +341,6 @@ static const char *c2h_dump_str_tgt(const c2_l_t *pleaf);
|
|||
|
||||
static const char *c2h_dump_str_type(const c2_l_t *pleaf);
|
||||
|
||||
static void attr_unused c2_dump(c2_ptr_t p);
|
||||
|
||||
static xcb_atom_t c2_get_atom_type(const c2_l_t *pleaf);
|
||||
|
||||
static bool c2_match_once(session_t *ps, const struct managed_win *w, const c2_ptr_t cond);
|
||||
|
|
@ -1228,105 +1226,146 @@ static const char *c2h_dump_str_type(const c2_l_t *pleaf) {
|
|||
}
|
||||
|
||||
/**
|
||||
* Dump a condition tree.
|
||||
* Dump a condition tree to string. Return the number of characters that
|
||||
* would have been written if the buffer had been large enough, excluding
|
||||
* the null terminator.
|
||||
* null terminator will not be written to the output.
|
||||
*/
|
||||
static void c2_dump(c2_ptr_t p) {
|
||||
// For a branch
|
||||
static size_t c2_condition_to_str(c2_ptr_t p, char *output, size_t len) {
|
||||
#define push_char(c) \
|
||||
if (offset < len) \
|
||||
output[offset] = (c); \
|
||||
offset++
|
||||
#define push_str(str) \
|
||||
do { \
|
||||
if (offset < len) { \
|
||||
size_t slen = strlen(str); \
|
||||
if (offset + slen > len) \
|
||||
slen = len - offset; \
|
||||
memcpy(output + offset, str, slen); \
|
||||
} \
|
||||
offset += strlen(str); \
|
||||
} while (false)
|
||||
size_t offset = 0;
|
||||
if (p.isbranch) {
|
||||
// Branch, i.e. logical operators &&, ||, XOR
|
||||
const c2_b_t *const pbranch = p.b;
|
||||
|
||||
if (!pbranch) {
|
||||
return;
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (pbranch->neg) {
|
||||
putchar('!');
|
||||
push_char('!');
|
||||
}
|
||||
|
||||
printf("(");
|
||||
c2_dump(pbranch->opr1);
|
||||
push_char('(');
|
||||
if (len > offset) {
|
||||
offset += c2_condition_to_str(pbranch->opr1, output + offset,
|
||||
len - offset);
|
||||
} else {
|
||||
offset += c2_condition_to_str(pbranch->opr1, NULL, 0);
|
||||
}
|
||||
|
||||
switch (pbranch->op) {
|
||||
case C2_B_OAND: printf(" && "); break;
|
||||
case C2_B_OOR: printf(" || "); break;
|
||||
case C2_B_OXOR: printf(" XOR "); break;
|
||||
case C2_B_OAND: push_str(" && "); break;
|
||||
case C2_B_OOR: push_str(" || "); break;
|
||||
case C2_B_OXOR: push_str(" XOR "); break;
|
||||
default: assert(0); break;
|
||||
}
|
||||
|
||||
c2_dump(pbranch->opr2);
|
||||
printf(") ");
|
||||
}
|
||||
// For a leaf
|
||||
else {
|
||||
if (len > offset) {
|
||||
offset += c2_condition_to_str(pbranch->opr2, output + offset,
|
||||
len - offset);
|
||||
} else {
|
||||
offset += c2_condition_to_str(pbranch->opr2, NULL, 0);
|
||||
}
|
||||
push_str(")");
|
||||
} else {
|
||||
// Leaf node
|
||||
const c2_l_t *const pleaf = p.l;
|
||||
char number[128];
|
||||
|
||||
if (!pleaf) {
|
||||
return;
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (C2_L_OEXISTS == pleaf->op && pleaf->neg) {
|
||||
putchar('!');
|
||||
push_char('!');
|
||||
}
|
||||
|
||||
// Print target name, type, and format
|
||||
{
|
||||
printf("%s", c2h_dump_str_tgt(pleaf));
|
||||
if (pleaf->tgt_onframe) {
|
||||
putchar('@');
|
||||
const char *target_str = c2h_dump_str_tgt(pleaf);
|
||||
push_str(target_str);
|
||||
if (pleaf->tgt_onframe) {
|
||||
push_char('@');
|
||||
}
|
||||
if (pleaf->predef == C2_L_PUNDEFINED) {
|
||||
if (pleaf->index < 0) {
|
||||
push_str("[*]");
|
||||
} else {
|
||||
sprintf(number, "[%d]", pleaf->index);
|
||||
push_str(number);
|
||||
}
|
||||
if (pleaf->predef == C2_L_PUNDEFINED) {
|
||||
if (pleaf->index < 0) {
|
||||
printf("[*]");
|
||||
} else {
|
||||
printf("[%d]", pleaf->index);
|
||||
}
|
||||
}
|
||||
printf(":%d%s", pleaf->format, c2h_dump_str_type(pleaf));
|
||||
}
|
||||
|
||||
const char *type_str = c2h_dump_str_type(pleaf);
|
||||
push_char(':');
|
||||
sprintf(number, "%d", pleaf->format);
|
||||
push_str(number);
|
||||
push_str(type_str);
|
||||
|
||||
if (C2_L_OEXISTS == pleaf->op) {
|
||||
return offset;
|
||||
}
|
||||
|
||||
// Print operator
|
||||
putchar(' ');
|
||||
push_char(' ');
|
||||
|
||||
if (C2_L_OEXISTS != pleaf->op && pleaf->neg) {
|
||||
putchar('!');
|
||||
push_char('!');
|
||||
}
|
||||
|
||||
switch (pleaf->match) {
|
||||
case C2_L_MEXACT: break;
|
||||
case C2_L_MCONTAINS: putchar('*'); break;
|
||||
case C2_L_MSTART: putchar('^'); break;
|
||||
case C2_L_MPCRE: putchar('~'); break;
|
||||
case C2_L_MWILDCARD: putchar('%'); break;
|
||||
case C2_L_MCONTAINS: push_char('*'); break;
|
||||
case C2_L_MSTART: push_char('^'); break;
|
||||
case C2_L_MPCRE: push_char('~'); break;
|
||||
case C2_L_MWILDCARD: push_char('%'); break;
|
||||
}
|
||||
|
||||
if (pleaf->match_ignorecase) {
|
||||
putchar('?');
|
||||
push_char('?');
|
||||
}
|
||||
|
||||
switch (pleaf->op) {
|
||||
case C2_L_OEXISTS: break;
|
||||
case C2_L_OEQ: fputs("=", stdout); break;
|
||||
case C2_L_OGT: fputs(">", stdout); break;
|
||||
case C2_L_OGTEQ: fputs(">=", stdout); break;
|
||||
case C2_L_OLT: fputs("<", stdout); break;
|
||||
case C2_L_OLTEQ: fputs("<=", stdout); break;
|
||||
}
|
||||
|
||||
if (C2_L_OEXISTS == pleaf->op) {
|
||||
return;
|
||||
case C2_L_OEQ: push_str("="); break;
|
||||
case C2_L_OGT: push_str(">"); break;
|
||||
case C2_L_OGTEQ: push_str(">="); break;
|
||||
case C2_L_OLT: push_str("<"); break;
|
||||
case C2_L_OLTEQ: push_str("<="); break;
|
||||
}
|
||||
|
||||
// Print pattern
|
||||
putchar(' ');
|
||||
push_char(' ');
|
||||
switch (pleaf->ptntype) {
|
||||
case C2_L_PTINT: printf("%ld", pleaf->ptnint); break;
|
||||
case C2_L_PTINT:
|
||||
sprintf(number, "%ld", pleaf->ptnint);
|
||||
push_str(number);
|
||||
break;
|
||||
case C2_L_PTSTRING:
|
||||
// TODO(yshui) Escape string before printing out?
|
||||
printf("\"%s\"", pleaf->ptnstr);
|
||||
push_char('"');
|
||||
push_str(pleaf->ptnstr);
|
||||
push_char('"');
|
||||
break;
|
||||
default: assert(0); break;
|
||||
}
|
||||
}
|
||||
#undef push_char
|
||||
#undef push_str
|
||||
return offset;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -1622,6 +1661,7 @@ c2_match_once_leaf(session_t *ps, const struct managed_win *w, const c2_l_t *lea
|
|||
*/
|
||||
static bool c2_match_once(session_t *ps, const struct managed_win *w, const c2_ptr_t cond) {
|
||||
bool result = false;
|
||||
char condition_str[1024];
|
||||
|
||||
if (cond.isbranch) {
|
||||
// Handle a branch (and/or/xor operation)
|
||||
|
|
@ -1650,11 +1690,13 @@ static bool c2_match_once(session_t *ps, const struct managed_win *w, const c2_p
|
|||
return false;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_WINMATCH
|
||||
log_trace("(%#010x): branch: result = %d, pattern = ", w->base.id, result);
|
||||
c2_dump(cond);
|
||||
putchar('\n');
|
||||
#endif
|
||||
if (unlikely(log_get_level_tls() <= LOG_LEVEL_TRACE)) {
|
||||
size_t len =
|
||||
c2_condition_to_str(cond, condition_str, sizeof(condition_str));
|
||||
len = min2(len, sizeof(condition_str));
|
||||
log_debug("(%#010x): branch: result = %d, pattern = %.*s",
|
||||
w->base.id, result, (int)len, condition_str);
|
||||
}
|
||||
} else {
|
||||
// A leaf
|
||||
const c2_l_t *pleaf = cond.l;
|
||||
|
|
@ -1665,13 +1707,14 @@ static bool c2_match_once(session_t *ps, const struct managed_win *w, const c2_p
|
|||
|
||||
result = c2_match_once_leaf(ps, w, pleaf);
|
||||
|
||||
#ifdef DEBUG_WINMATCH
|
||||
log_trace("(%#010x): leaf: result = %d, error = %d, "
|
||||
"client = %#010x, pattern = ",
|
||||
w->base.id, result, error, w->client_win);
|
||||
c2_dump(cond);
|
||||
putchar('\n');
|
||||
#endif
|
||||
if (unlikely(log_get_level_tls() <= LOG_LEVEL_TRACE)) {
|
||||
size_t len =
|
||||
c2_condition_to_str(cond, condition_str, sizeof(condition_str));
|
||||
len = min2(len, sizeof(condition_str));
|
||||
log_debug("(%#010x): leaf: result = %d, client = %#010x, "
|
||||
"pattern = %.*s",
|
||||
w->base.id, result, w->client_win, (int)len, condition_str);
|
||||
}
|
||||
}
|
||||
|
||||
// Postprocess the result
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue