]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/util/string.cpp
Update embedded jsoncpp from unk version to 0.10.6 + move libs to lib/ instead of...
[dragonfireclient.git] / src / util / string.cpp
index 651293bfef0e34c0e4a03d6347dd71cc7ee08610..141068512b0dc3362fc1acbc32e496bab972534d 100644 (file)
@@ -22,25 +22,163 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "numeric.h"
 #include "log.h"
 
-#include "sha1.h"
-#include "base64.h"
 #include "hex.h"
 #include "../porting.h"
 
-#include <algorithm>
 #include <sstream>
 #include <iomanip>
 #include <map>
 
+#ifndef _WIN32
+       #include <iconv.h>
+#else
+       #define _WIN32_WINNT 0x0501
+       #include <windows.h>
+#endif
+
+#if defined(_ICONV_H_) && (defined(__FreeBSD__) || defined(__NetBSD__) || \
+       defined(__OpenBSD__) || defined(__DragonFly__))
+       #define BSD_ICONV_USED
+#endif
+
 static bool parseHexColorString(const std::string &value, video::SColor &color);
 static bool parseNamedColorString(const std::string &value, video::SColor &color);
 
+#ifndef _WIN32
+
+bool convert(const char *to, const char *from, char *outbuf,
+               size_t outbuf_size, char *inbuf, size_t inbuf_size)
+{
+       iconv_t cd = iconv_open(to, from);
+
+#ifdef BSD_ICONV_USED
+       const char *inbuf_ptr = inbuf;
+#else
+       char *inbuf_ptr = inbuf;
+#endif
+
+       char *outbuf_ptr = outbuf;
+
+       size_t *inbuf_left_ptr = &inbuf_size;
+       size_t *outbuf_left_ptr = &outbuf_size;
+
+       size_t old_size = inbuf_size;
+       while (inbuf_size > 0) {
+               iconv(cd, &inbuf_ptr, inbuf_left_ptr, &outbuf_ptr, outbuf_left_ptr);
+               if (inbuf_size == old_size) {
+                       iconv_close(cd);
+                       return false;
+               }
+               old_size = inbuf_size;
+       }
+
+       iconv_close(cd);
+       return true;
+}
+
+std::wstring utf8_to_wide(const std::string &input)
+{
+       size_t inbuf_size = input.length() + 1;
+       // maximum possible size, every character is sizeof(wchar_t) bytes
+       size_t outbuf_size = (input.length() + 1) * sizeof(wchar_t);
+
+       char *inbuf = new char[inbuf_size];
+       memcpy(inbuf, input.c_str(), inbuf_size);
+       char *outbuf = new char[outbuf_size];
+       memset(outbuf, 0, outbuf_size);
+
+       if (!convert("WCHAR_T", "UTF-8", outbuf, outbuf_size, inbuf, inbuf_size)) {
+               infostream << "Couldn't convert UTF-8 string 0x" << hex_encode(input)
+                       << " into wstring" << std::endl;
+               delete[] inbuf;
+               delete[] outbuf;
+               return L"<invalid UTF-8 string>";
+       }
+       std::wstring out((wchar_t *)outbuf);
+
+       delete[] inbuf;
+       delete[] outbuf;
+
+       return out;
+}
+
+#ifdef __ANDROID__
+// TODO: this is an ugly fix for wide_to_utf8 somehow not working on android
+std::string wide_to_utf8(const std::wstring &input)
+{
+       return wide_to_narrow(input);
+}
+#else
+std::string wide_to_utf8(const std::wstring &input)
+{
+       size_t inbuf_size = (input.length() + 1) * sizeof(wchar_t);
+       // maximum possible size: utf-8 encodes codepoints using 1 up to 6 bytes
+       size_t outbuf_size = (input.length() + 1) * 6;
+
+       char *inbuf = new char[inbuf_size];
+       memcpy(inbuf, input.c_str(), inbuf_size);
+       char *outbuf = new char[outbuf_size];
+       memset(outbuf, 0, outbuf_size);
+
+       if (!convert("UTF-8", "WCHAR_T", outbuf, outbuf_size, inbuf, inbuf_size)) {
+               infostream << "Couldn't convert wstring 0x" << hex_encode(inbuf, inbuf_size)
+                       << " into UTF-8 string" << std::endl;
+               delete[] inbuf;
+               delete[] outbuf;
+               return "<invalid wstring>";
+       }
+       std::string out(outbuf);
+
+       delete[] inbuf;
+       delete[] outbuf;
+
+       return out;
+}
+
+#endif
+#else // _WIN32
+
+std::wstring utf8_to_wide(const std::string &input)
+{
+       size_t outbuf_size = input.size() + 1;
+       wchar_t *outbuf = new wchar_t[outbuf_size];
+       memset(outbuf, 0, outbuf_size * sizeof(wchar_t));
+       MultiByteToWideChar(CP_UTF8, 0, input.c_str(), input.size(),
+               outbuf, outbuf_size);
+       std::wstring out(outbuf);
+       delete[] outbuf;
+       return out;
+}
+
+std::string wide_to_utf8(const std::wstring &input)
+{
+       size_t outbuf_size = (input.size() + 1) * 6;
+       char *outbuf = new char[outbuf_size];
+       memset(outbuf, 0, outbuf_size);
+       WideCharToMultiByte(CP_UTF8, 0, input.c_str(), input.size(),
+               outbuf, outbuf_size, NULL, NULL);
+       std::string out(outbuf);
+       delete[] outbuf;
+       return out;
+}
+
+#endif // _WIN32
+
+wchar_t *utf8_to_wide_c(const char *str)
+{
+       std::wstring ret = utf8_to_wide(std::string(str)).c_str();
+       size_t len = ret.length();
+       wchar_t *ret_c = new wchar_t[len + 1];
+       memset(ret_c, 0, (len + 1) * sizeof(wchar_t));
+       memcpy(ret_c, ret.c_str(), len * sizeof(wchar_t));
+       return ret_c;
+}
 
 // You must free the returned string!
 // The returned string is allocated using new
 wchar_t *narrow_to_wide_c(const char *str)
 {
-       wchar_t* nstr = 0;
+       wchar_t *nstr = NULL;
 #if defined(_WIN32)
        int nResult = MultiByteToWideChar(CP_UTF8, 0, (LPCSTR) str, -1, 0, 0);
        if (nResult == 0) {
@@ -51,7 +189,7 @@ wchar_t *narrow_to_wide_c(const char *str)
        }
 #else
        size_t len = strlen(str);
-       nstr = new wchar_t[len+1];
+       nstr = new wchar_t[len + 1];
 
        std::wstring intermediate = narrow_to_wide(str);
        memset(nstr, 0, (len + 1) * sizeof(wchar_t));
@@ -176,26 +314,7 @@ std::string wide_to_narrow(const std::wstring &wcs)
 
 #endif
 
-// Get an sha-1 hash of the player's name combined with
-// the password entered. That's what the server uses as
-// their password. (Exception : if the password field is
-// blank, we send a blank password - this is for backwards
-// compatibility with password-less players).
-std::string translatePassword(std::string playername, std::wstring password)
-{
-       if (password.length() == 0)
-               return "";
-
-       std::string slt = playername + wide_to_narrow(password);
-       SHA1 sha1;
-       sha1.addBytes(slt.c_str(), slt.length());
-       unsigned char *digest = sha1.getDigest();
-       std::string pwd = base64_encode(digest, 20);
-       free(digest);
-       return pwd;
-}
-
-std::string urlencode(std::string str)
+std::string urlencode(const std::string &str)
 {
        // Encodes non-unreserved URI characters by a percent sign
        // followed by two hex digits. See RFC 3986, section 2.3.
@@ -203,17 +322,18 @@ std::string urlencode(std::string str)
        std::ostringstream oss(std::ios::binary);
        for (u32 i = 0; i < str.size(); i++) {
                unsigned char c = str[i];
-               if (isalnum(c) || c == '-' || c == '.' || c == '_' || c == '~')
+               if (isalnum(c) || c == '-' || c == '.' || c == '_' || c == '~') {
                        oss << c;
-               else
+               } else {
                        oss << "%"
                                << url_hex_chars[(c & 0xf0) >> 4]
                                << url_hex_chars[c & 0x0f];
+               }
        }
        return oss.str();
 }
 
-std::string urldecode(std::string str)
+std::string urldecode(const std::string &str)
 {
        // Inverse of urlencode
        std::ostringstream oss(std::ios::binary);
@@ -224,18 +344,20 @@ std::string urldecode(std::string str)
                                hex_digit_decode(str[i+2], lowvalue)) {
                        oss << (char) ((highvalue << 4) | lowvalue);
                        i += 2;
-               }
-               else
+               } else {
                        oss << str[i];
+               }
        }
        return oss.str();
 }
 
 u32 readFlagString(std::string str, const FlagDesc *flagdesc, u32 *flagmask)
 {
-       u32 result = 0, mask = 0;
+       u32 result = 0;
+       u32 mask = 0;
        char *s = &str[0];
-       char *flagstr, *strpos = NULL;
+       char *flagstr;
+       char *strpos = NULL;
 
        while ((flagstr = strtok_r(s, ",", &strpos))) {
                s = NULL;
@@ -320,7 +442,7 @@ char *mystrtok_r(char *s, const char *sep, char **lasts)
                }
                t++;
        }
-       
+
        *lasts = t;
        return s;
 }
@@ -329,15 +451,15 @@ u64 read_seed(const char *str)
 {
        char *endptr;
        u64 num;
-       
+
        if (str[0] == '0' && str[1] == 'x')
                num = strtoull(str, &endptr, 16);
        else
                num = strtoull(str, &endptr, 10);
-               
+
        if (*endptr)
                num = murmur_hash_64_ua(str, (int)strlen(str), 0x1337);
-               
+
        return num;
 }
 
@@ -439,6 +561,7 @@ ColorContainer::ColorContainer()
        colors["darkgoldenrod"]          = 0xb8860b;
        colors["darkgray"]               = 0xa9a9a9;
        colors["darkgreen"]              = 0x006400;
+       colors["darkgrey"]               = 0xa9a9a9;
        colors["darkkhaki"]              = 0xbdb76b;
        colors["darkmagenta"]            = 0x8b008b;
        colors["darkolivegreen"]         = 0x556b2f;
@@ -449,11 +572,13 @@ ColorContainer::ColorContainer()
        colors["darkseagreen"]           = 0x8fbc8f;
        colors["darkslateblue"]          = 0x483d8b;
        colors["darkslategray"]          = 0x2f4f4f;
+       colors["darkslategrey"]          = 0x2f4f4f;
        colors["darkturquoise"]          = 0x00ced1;
        colors["darkviolet"]             = 0x9400d3;
        colors["deeppink"]               = 0xff1493;
        colors["deepskyblue"]            = 0x00bfff;
        colors["dimgray"]                = 0x696969;
+       colors["dimgrey"]                = 0x696969;
        colors["dodgerblue"]             = 0x1e90ff;
        colors["firebrick"]              = 0xb22222;
        colors["floralwhite"]            = 0xfffaf0;
@@ -466,10 +591,11 @@ ColorContainer::ColorContainer()
        colors["gray"]                   = 0x808080;
        colors["green"]                  = 0x008000;
        colors["greenyellow"]            = 0xadff2f;
+       colors["grey"]                   = 0x808080;
        colors["honeydew"]               = 0xf0fff0;
        colors["hotpink"]                = 0xff69b4;
-       colors["indianred "]             = 0xcd5c5c;
-       colors["indigo "]                = 0x4b0082;
+       colors["indianred"]              = 0xcd5c5c;
+       colors["indigo"]                 = 0x4b0082;
        colors["ivory"]                  = 0xfffff0;
        colors["khaki"]                  = 0xf0e68c;
        colors["lavender"]               = 0xe6e6fa;
@@ -482,11 +608,13 @@ ColorContainer::ColorContainer()
        colors["lightgoldenrodyellow"]   = 0xfafad2;
        colors["lightgray"]              = 0xd3d3d3;
        colors["lightgreen"]             = 0x90ee90;
+       colors["lightgrey"]              = 0xd3d3d3;
        colors["lightpink"]              = 0xffb6c1;
        colors["lightsalmon"]            = 0xffa07a;
        colors["lightseagreen"]          = 0x20b2aa;
        colors["lightskyblue"]           = 0x87cefa;
        colors["lightslategray"]         = 0x778899;
+       colors["lightslategrey"]         = 0x778899;
        colors["lightsteelblue"]         = 0xb0c4de;
        colors["lightyellow"]            = 0xffffe0;
        colors["lime"]                   = 0x00ff00;
@@ -539,6 +667,7 @@ ColorContainer::ColorContainer()
        colors["skyblue"]                = 0x87ceeb;
        colors["slateblue"]              = 0x6a5acd;
        colors["slategray"]              = 0x708090;
+       colors["slategrey"]              = 0x708090;
        colors["snow"]                   = 0xfffafa;
        colors["springgreen"]            = 0x00ff7f;
        colors["steelblue"]              = 0x4682b4;
@@ -614,4 +743,3 @@ void str_replace(std::string &str, char from, char to)
 {
        std::replace(str.begin(), str.end(), from, to);
 }
-