mirror of
https://github.com/phpv8/v8js.git
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98205461be
C++ headers need to go first, since PHP headers redefine "inline" which causes trouble with the C++ header files.
111 lines
3.3 KiB
C++
111 lines
3.3 KiB
C++
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2013 The PHP Group |
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+----------------------------------------------------------------------+
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| http://www.opensource.org/licenses/mit-license.php MIT License |
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+----------------------------------------------------------------------+
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| Author: Jani Taskinen <jani.taskinen@iki.fi> |
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| Author: Patrick Reilly <preilly@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "php_v8js_macros.h"
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extern "C" {
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#include "php.h"
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#include "zend_exceptions.h"
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}
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static void v8js_commonjs_split_terms(const char *identifier, std::vector<char *> &terms)
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{
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char *term = (char *) emalloc(PATH_MAX), *ptr = term;
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while (*identifier > 0) {
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if (*identifier == '/') {
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if (ptr > term) {
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// Terminate term string and add to terms vector
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*ptr++ = 0;
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terms.push_back(estrdup(term));
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// Reset term string
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ptr = term;
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}
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} else {
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*ptr++ = *identifier;
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}
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identifier++;
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}
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if (ptr > term) {
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// Terminate term string and add to terms vector
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*ptr++ = 0;
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terms.push_back(estrdup(term));
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}
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efree(term);
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}
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void v8js_commonjs_normalise_identifier(const char *base, const char *identifier, char *normalised_path, char *module_name)
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{
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std::vector<char *> id_terms, terms;
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v8js_commonjs_split_terms(identifier, id_terms);
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// If we have a relative module identifier then include the base terms
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if (!strcmp(id_terms.front(), ".") || !strcmp(id_terms.front(), "..")) {
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v8js_commonjs_split_terms(base, terms);
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}
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terms.insert(terms.end(), id_terms.begin(), id_terms.end());
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std::vector<char *> normalised_terms;
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for (std::vector<char *>::iterator it = terms.begin(); it != terms.end(); it++) {
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char *term = *it;
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if (!strcmp(term, "..")) {
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// Ignore parent term (..) if it's the first normalised term
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if (normalised_terms.size() > 0) {
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// Remove the parent normalized term (and free it)
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efree(normalised_terms.back());
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normalised_terms.pop_back();
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}
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// free the ".." term
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efree(term);
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} else if (strcmp(term, ".")) {
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// Add the term if it's not the current term (.)
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normalised_terms.push_back(term);
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} else {
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// Discard "." term
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efree(term);
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}
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}
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// Initialise the normalised path string
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*normalised_path = 0;
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*module_name = 0;
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strcat(module_name, normalised_terms.back());
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efree(normalised_terms.back());
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normalised_terms.pop_back();
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for (std::vector<char *>::iterator it = normalised_terms.begin(); it != normalised_terms.end(); it++) {
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char *term = *it;
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if (strlen(normalised_path) > 0) {
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strcat(normalised_path, "/");
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}
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strcat(normalised_path, term);
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efree(term);
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}
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}
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