diff options
Diffstat (limited to 'sapi/phpdbg/phpdbg_eol.c')
| -rw-r--r-- | sapi/phpdbg/phpdbg_eol.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/sapi/phpdbg/phpdbg_eol.c b/sapi/phpdbg/phpdbg_eol.c new file mode 100644 index 0000000000..eaf9997fb4 --- /dev/null +++ b/sapi/phpdbg/phpdbg_eol.c @@ -0,0 +1,172 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 7 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2016 The PHP Group | + +----------------------------------------------------------------------+ + | This source file is subject to version 3.01 of the PHP license, | + | that is bundled with this package in the file LICENSE, and is | + | available through the world-wide-web at the following url: | + | http://www.php.net/license/3_01.txt | + | If you did not receive a copy of the PHP license and are unable to | + | obtain it through the world-wide-web, please send a note to | + | license@php.net so we can mail you a copy immediately. | + +----------------------------------------------------------------------+ + | Authors: Anatol Belski <ab@php.net> | + +----------------------------------------------------------------------+ +*/ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "phpdbg.h" +#include "phpdbg_eol.h" + +ZEND_EXTERN_MODULE_GLOBALS(phpdbg) + +#define EOL_LIST_LEN 4 +struct phpdbg_eol_rep phpdbg_eol_list[EOL_LIST_LEN] = { + {"CRLF", "\r\n", PHPDBG_EOL_CRLF}, +/* {"LFCR", "\n\r", PHPDBG_EOL_LFCR},*/ + {"LF", "\n", PHPDBG_EOL_LF}, + {"CR", "\r", PHPDBG_EOL_CR}, +}; + +int phpdbg_eol_global_update(char *name) +{ + + if (0 == memcmp(name, "CRLF", 4) || 0 == memcmp(name, "crlf", 4) || 0 == memcmp(name, "DOS", 3) || 0 == memcmp(name, "dos", 3)) { + PHPDBG_G(eol) = PHPDBG_EOL_CRLF; + } else if (0 == memcmp(name, "LF", 2) || 0 == memcmp(name, "lf", 2) || 0 == memcmp(name, "UNIX", 4) || 0 == memcmp(name, "unix", 4)) { + PHPDBG_G(eol) = PHPDBG_EOL_LF; + } else if (0 == memcmp(name, "CR", 2) || 0 == memcmp(name, "cr", 2) || 0 == memcmp(name, "MAC", 3) || 0 == memcmp(name, "mac", 3)) { + PHPDBG_G(eol) = PHPDBG_EOL_CR; + } else { + return FAILURE; + } + + return SUCCESS; +} + +char *phpdbg_eol_name(int id) +{ + size_t i = 0; + + while (i < EOL_LIST_LEN) { + + if (id == phpdbg_eol_list[i].id) { + return phpdbg_eol_list[i].name; + } + + i++; + } + + return NULL; +} + +char *phpdbg_eol_rep(int id) +{ + size_t i = 0; + + while (i < EOL_LIST_LEN) { + + if (id == phpdbg_eol_list[i].id) { + return phpdbg_eol_list[i].rep; + } + + i++; + } + + return NULL; +} + + +/* Inspired by https://ccrma.stanford.edu/~craig/utility/flip/flip.cpp */ +void phpdbg_eol_convert(char **str, int *len) +{ + char *in = *str, *out ; + int in_len = *len, out_len, cursor, i; + char last, cur; + + if ((PHPDBG_G(flags) & PHPDBG_IS_REMOTE) != PHPDBG_IS_REMOTE) { + return; + } + + out_len = *len; + if (PHPDBG_EOL_CRLF == PHPDBG_G(eol)) { /* XXX add LFCR case if it's gonna be needed */ + /* depending on the source EOL the out str will have all CR/LF duplicated */ + for (i = 0; i < in_len; i++) { + if (0x0a == in[i] || 0x0d == in[i]) { + out_len++; + } + } + out = (char *)emalloc(out_len); + + last = cur = in[0]; + i = cursor = 0; + for (; i < in_len;) { + if (0x0a == cur && last != 0x0d) { + out[cursor] = 0x0d; + cursor++; + out[cursor] = cur; + } else if(0x0d == cur) { + if (i + 1 < in_len && 0x0a != in[i+1]) { + out[cursor] = cur; + cursor++; + out[cursor] = 0x0a; + last = 0x0a; + } else { + out[cursor] = 0x0d; + last = 0x0d; + } + } else { + out[cursor] = cur; + last = cur; + } + + i++; + cursor++; + cur = in[i]; + } + + } else if (PHPDBG_EOL_LF == PHPDBG_G(eol) || PHPDBG_EOL_CR == PHPDBG_G(eol)) { + char want, kick; + + if (PHPDBG_EOL_LF == PHPDBG_G(eol)) { + want = 0x0a; + kick = 0x0d; + } else { + want = 0x0d; + kick = 0x0a; + } + + /* We gonna have a smaller or equally long string, estimation is almost neglecting */ + out = (char *)emalloc(out_len); + + last = cur = in[0]; + i = cursor = 0; + for (; cursor < in_len;) { + if (kick == cur) { + out[cursor] = want; + } else if (want == cur) { + if (kick != last) { + out[cursor] = want; + } + } else { + out[cursor] = cur; + } + + last = cur; + cursor++; + cur = in[cursor]; + } + } else { + return; + } + + efree(*str); + *str = erealloc(out, cursor); + *len = cursor; + in = NULL; +} |