116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
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/*
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+----------------------------------------------------------------------+
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| Copyright © The PHP Group and Contributors. |
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+----------------------------------------------------------------------+
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| This source file is subject to the Modified BSD License that is |
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| bundled with this package in the file LICENSE, and is available |
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| through the World Wide Web at <https://www.php.net/license/>. |
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| SPDX-License-Identifier: BSD-3-Clause |
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+----------------------------------------------------------------------+
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| Authors: Anatol Belski <ab@php.net> |
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+----------------------------------------------------------------------+
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*/
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#include "phpdbg_io.h"
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ZEND_EXTERN_MODULE_GLOBALS(phpdbg)
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/* is easy to generalize ... but not needed for now */
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PHPDBG_API int phpdbg_consume_stdin_line(char *buf) {
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int bytes = PHPDBG_G(input_buflen), len = 0;
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if (PHPDBG_G(input_buflen)) {
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memcpy(buf, PHPDBG_G(input_buffer), bytes);
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}
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PHPDBG_G(last_was_newline) = 1;
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do {
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int i;
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if (bytes <= 0) {
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continue;
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}
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for (i = len; i < len + bytes; i++) {
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if (buf[i] == '\x03') {
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if (i != len + bytes - 1) {
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memmove(buf + i, buf + i + 1, len + bytes - i - 1);
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}
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len--;
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i--;
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continue;
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}
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if (buf[i] == '\n') {
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PHPDBG_G(input_buflen) = len + bytes - 1 - i;
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if (PHPDBG_G(input_buflen)) {
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memcpy(PHPDBG_G(input_buffer), buf + i + 1, PHPDBG_G(input_buflen));
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}
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if (i != PHPDBG_MAX_CMD - 1) {
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buf[i + 1] = 0;
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}
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return i;
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}
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}
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len += bytes;
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} while ((bytes = phpdbg_mixed_read(PHPDBG_G(io)[PHPDBG_STDIN].fd, buf + len, PHPDBG_MAX_CMD - len, -1)) > 0);
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if (bytes <= 0) {
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PHPDBG_G(flags) |= PHPDBG_IS_QUITTING;
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zend_bailout();
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}
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return bytes;
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}
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PHPDBG_API int phpdbg_mixed_read(int fd, char *ptr, int len, int tmo) {
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int ret;
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do {
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ret = read(fd, ptr, len);
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} while (ret == -1 && errno == EINTR);
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return ret;
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}
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static int phpdbg_output_pager(int fd, const char *ptr, int len) {
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int count = 0, bytes = 0;
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const char *p = ptr, *endp = ptr + len;
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while ((p = memchr(p, '\n', endp - p))) {
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count++;
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p++;
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if (count % PHPDBG_G(lines) == 0) {
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bytes += write(fd, ptr + bytes, (p - ptr) - bytes);
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if (memchr(p, '\n', endp - p)) {
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char buf[PHPDBG_MAX_CMD];
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zend_quiet_write(fd, ZEND_STRL("\r---Type <return> to continue or q <return> to quit---"));
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phpdbg_consume_stdin_line(buf);
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if (*buf == 'q') {
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break;
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}
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zend_quiet_write(fd, "\r", 1);
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} else break;
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}
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}
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if (bytes && count % PHPDBG_G(lines) != 0) {
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bytes += write(fd, ptr + bytes, len - bytes);
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} else if (!bytes) {
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bytes += write(fd, ptr, len);
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}
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return bytes;
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}
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PHPDBG_API int phpdbg_mixed_write(int fd, const char *ptr, int len) {
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if ((PHPDBG_G(flags) & PHPDBG_HAS_PAGINATION)
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&& PHPDBG_G(io)[PHPDBG_STDOUT].fd == fd
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&& PHPDBG_G(lines) > 0) {
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return phpdbg_output_pager(fd, ptr, len);
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}
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return write(fd, ptr, len);
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}
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