1 /* ----------------------------------------------------------------------------- 2 * std_wstring.i 3 * 4 * Typemaps for std::wstring and const std::wstring& 5 * 6 * These are mapped to a Java String and are passed around by value. 7 * Warning: Unicode / multibyte characters are handled differently on different 8 * OSs so the std::wstring typemaps may not always work as intended. 9 * 10 * To use non-const std::wstring references use the following %apply. Note 11 * that they are passed by value. 12 * %apply const std::wstring & {std::wstring &}; 13 * ----------------------------------------------------------------------------- */ 14 15 namespace std { 16 17 %naturalvar wstring; 18 19 class wstring; 20 21 // wstring 22 %typemap(jni) wstring "jstring" 23 %typemap(jtype) wstring "String" 24 %typemap(jstype) wstring "String" 25 %typemap(javadirectorin) wstring "$jniinput" 26 %typemap(javadirectorout) wstring "$javacall" 27 28 %typemap(in) wstring 29 %{if(!$input) { 30 SWIG_JavaThrowException(jenv, SWIG_JavaNullPointerException, "null std::wstring"); 31 return $null; 32 } 33 const jchar *$1_pstr = jenv->GetStringChars($input, 0); 34 if (!$1_pstr) return $null; 35 jsize $1_len = jenv->GetStringLength($input); 36 if ($1_len) { 37 $1.reserve($1_len); 38 for (jsize i = 0; i < $1_len; ++i) { 39 $1.push_back((wchar_t)$1_pstr[i]); 40 } 41 } 42 jenv->ReleaseStringChars($input, $1_pstr); 43 %} 44 45 %typemap(directorout) wstring 46 %{if(!$input) { 47 SWIG_JavaThrowException(jenv, SWIG_JavaNullPointerException, "null std::wstring"); 48 return $null; 49 } 50 const jchar *$1_pstr = jenv->GetStringChars($input, 0); 51 if (!$1_pstr) return $null; 52 jsize $1_len = jenv->GetStringLength($input); 53 if ($1_len) { 54 $result.reserve($1_len); 55 for (jsize i = 0; i < $1_len; ++i) { 56 $result.push_back((wchar_t)$1_pstr[i]); 57 } 58 } 59 jenv->ReleaseStringChars($input, $1_pstr); 60 %} 61 62 %typemap(directorin,descriptor="Ljava/lang/String;") wstring { 63 jsize $1_len = $1.length(); 64 jchar *conv_buf = new jchar[$1_len]; 65 for (jsize i = 0; i < $1_len; ++i) { 66 conv_buf[i] = (jchar)$1[i]; 67 } 68 $input = jenv->NewString(conv_buf, $1_len); 69 delete [] conv_buf; 70 } 71 72 %typemap(out) wstring 73 %{jsize $1_len = $1.length(); 74 jchar *conv_buf = new jchar[$1_len]; 75 for (jsize i = 0; i < $1_len; ++i) { 76 conv_buf[i] = (jchar)$1[i]; 77 } 78 $result = jenv->NewString(conv_buf, $1_len); 79 delete [] conv_buf; %} 80 81 %typemap(javain) wstring "$javainput" 82 83 %typemap(javaout) wstring { 84 return $jnicall; 85 } 86 87 //%typemap(typecheck) wstring = wchar_t *; 88 89 %typemap(throws) wstring 90 %{ std::string message($1.begin(), $1.end()); 91 SWIG_JavaThrowException(jenv, SWIG_JavaRuntimeException, message.c_str()); 92 return $null; %} 93 94 // const wstring & 95 %typemap(jni) const wstring & "jstring" 96 %typemap(jtype) const wstring & "String" 97 %typemap(jstype) const wstring & "String" 98 %typemap(javadirectorin) const wstring & "$jniinput" 99 %typemap(javadirectorout) const wstring & "$javacall" 100 101 %typemap(in) const wstring & 102 %{if(!$input) { 103 SWIG_JavaThrowException(jenv, SWIG_JavaNullPointerException, "null std::wstring"); 104 return $null; 105 } 106 const jchar *$1_pstr = jenv->GetStringChars($input, 0); 107 if (!$1_pstr) return $null; 108 jsize $1_len = jenv->GetStringLength($input); 109 std::wstring $1_str; 110 if ($1_len) { 111 $1_str.reserve($1_len); 112 for (jsize i = 0; i < $1_len; ++i) { 113 $1_str.push_back((wchar_t)$1_pstr[i]); 114 } 115 } 116 $1 = &$1_str; 117 jenv->ReleaseStringChars($input, $1_pstr); 118 %} 119 120 %typemap(directorout,warning=SWIGWARN_TYPEMAP_THREAD_UNSAFE_MSG) const wstring & 121 %{if(!$input) { 122 SWIG_JavaThrowException(jenv, SWIG_JavaNullPointerException, "null std::wstring"); 123 return $null; 124 } 125 const jchar *$1_pstr = jenv->GetStringChars($input, 0); 126 if (!$1_pstr) return $null; 127 jsize $1_len = jenv->GetStringLength($input); 128 /* possible thread/reentrant code problem */ 129 static std::wstring $1_str; 130 if ($1_len) { 131 $1_str.reserve($1_len); 132 for (jsize i = 0; i < $1_len; ++i) { 133 $1_str.push_back((wchar_t)$1_pstr[i]); 134 } 135 } 136 $result = &$1_str; 137 jenv->ReleaseStringChars($input, $1_pstr); %} 138 139 %typemap(directorin,descriptor="Ljava/lang/String;") const wstring & { 140 jsize $1_len = $1.length(); 141 jchar *conv_buf = new jchar[$1_len]; 142 for (jsize i = 0; i < $1_len; ++i) { 143 conv_buf[i] = (jchar)($1)[i]; 144 } 145 $input = jenv->NewString(conv_buf, $1_len); 146 delete [] conv_buf; 147 } 148 149 %typemap(out) const wstring & 150 %{jsize $1_len = $1->length(); 151 jchar *conv_buf = new jchar[$1_len]; 152 for (jsize i = 0; i < $1_len; ++i) { 153 conv_buf[i] = (jchar)(*$1)[i]; 154 } 155 $result = jenv->NewString(conv_buf, $1_len); 156 delete [] conv_buf; %} 157 158 %typemap(javain) const wstring & "$javainput" 159 160 %typemap(javaout) const wstring & { 161 return $jnicall; 162 } 163 164 //%typemap(typecheck) const wstring & = wchar_t *; 165 166 %typemap(throws) const wstring & 167 %{ std::string message($1.begin(), $1.end()); 168 SWIG_JavaThrowException(jenv, SWIG_JavaRuntimeException, message.c_str()); 169 return $null; %} 170 171 } 172 173
