hphp/runtime/ext/ctype/ext_ctype.cpp

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com)  |
   6    | Copyright (c) 1997-2010 The PHP Group                                |
   7    +----------------------------------------------------------------------+
   8    | This source file is subject to version 3.01 of the PHP license,      |
   9    | that is bundled with this package in the file LICENSE, and is        |
  10    | available through the world-wide-web at the following url:           |
  11    | http://www.php.net/license/3_01.txt                                  |
  12    | If you did not receive a copy of the PHP license and are unable to   |
  13    | obtain it through the world-wide-web, please send a note to          |
  14    | license@php.net so we can mail you a copy immediately.               |
  15    +----------------------------------------------------------------------+
  16 */
  17
  18 #include "hphp/runtime/ext/extension.h"
  19
  20 namespace HPHP {
  21
  22 ///////////////////////////////////////////////////////////////////////////////
  23
  24 static bool ctype(const Variant& v, int (*iswhat)(int)) {
  25   if (v.isInteger()) {
  26     int64_t n = v.toInt64();
  27     if (n <= 255 && n >= 0) {
  28       return iswhat(n);
  29     }
  30
  31     if (n >= -128 && n < 0) {
  32       return iswhat(n + 256);
  33     }
  34
  35     return ctype(v.toString(), iswhat);
  36   }
  37
  38   if (v.isString()) {
  39     String s = v.toString();
  40     if (!s.empty()) {
  41       const char *p = s.data();
  42       const char *e = s.data() + s.size();
  43       while (p < e) {
  44         if (!iswhat((int)*(unsigned char *)(p++))) {
  45           return false;
  46         }
  47       }
  48       return true;
  49     }
  50   }
  51   return false;
  52 }
  53
  54 // Use lambdas wrapping the ctype.h functions because of linker weirdness on
  55 // OS X Mavericks.
  56
  57 bool HHVM_FUNCTION(ctype_alnum, const Variant& text) {
  58   return ctype(text, [] (int i) -> int { return isalnum(i); });
  59 }
  60
  61 bool HHVM_FUNCTION(ctype_alpha, const Variant& text) {
  62   return ctype(text, [] (int i) -> int { return isalpha(i); });
  63 }
  64
  65 bool HHVM_FUNCTION(ctype_cntrl, const Variant& text) {
  66   return ctype(text, [] (int i) -> int { return iscntrl(i); });
  67 }
  68
  69 bool HHVM_FUNCTION(ctype_digit, const Variant& text) {
  70   return ctype(text, [] (int i) -> int { return isdigit(i); });
  71 }
  72
  73 bool HHVM_FUNCTION(ctype_graph, const Variant& text) {
  74   return ctype(text, [] (int i) -> int { return isgraph(i); });
  75 }
  76
  77 bool HHVM_FUNCTION(ctype_lower, const Variant& text) {
  78   return ctype(text, [] (int i) -> int { return islower(i); });
  79 }
  80
  81 bool HHVM_FUNCTION(ctype_print, const Variant& text) {
  82   return ctype(text, [] (int i) -> int { return isprint(i); });
  83 }
  84
  85 bool HHVM_FUNCTION(ctype_punct, const Variant& text) {
  86   return ctype(text, [] (int i) -> int { return ispunct(i); });
  87 }
  88
  89 bool HHVM_FUNCTION(ctype_space, const Variant& text) {
  90   return ctype(text, [] (int i) -> int { return isspace(i); });
  91 }
  92
  93 bool HHVM_FUNCTION(ctype_upper, const Variant& text) {
  94   return ctype(text, [] (int i) -> int { return isupper(i); });
  95 }
  96
  97 bool HHVM_FUNCTION(ctype_xdigit, const Variant& text) {
  98   return ctype(text, [] (int i) -> int { return isxdigit(i); });
  99 }
 100
 101 ///////////////////////////////////////////////////////////////////////////////
 102
 103 struct CtypeExtension final : Extension {
 104   CtypeExtension() : Extension("ctype") {}
 105   void moduleInit() override {
 106     HHVM_FE(ctype_alnum);
 107     HHVM_FE(ctype_alpha);
 108     HHVM_FE(ctype_cntrl);
 109     HHVM_FE(ctype_digit);
 110     HHVM_FE(ctype_graph);
 111     HHVM_FE(ctype_lower);
 112     HHVM_FE(ctype_print);
 113     HHVM_FE(ctype_punct);
 114     HHVM_FE(ctype_space);
 115     HHVM_FE(ctype_upper);
 116     HHVM_FE(ctype_xdigit);
 117
 118     loadSystemlib();
 119   }
 120 } s_ctype_extension;
 121
 122 ///////////////////////////////////////////////////////////////////////////////
 123 }