From 961f65d1fecf9d7ee561df711e60acc702e9feab Mon Sep 17 00:00:00 2001
From: archshift <admin@archshift.com>
Date: Wed, 18 Feb 2015 22:34:32 -0800
Subject: [PATCH] Remove redundant utf8 compilation unit that was leftover from
 Dolphin

---
 src/common/CMakeLists.txt |   2 -
 src/common/utf8.cpp       | 459 --------------------------------------
 src/common/utf8.h         |  67 ------
 3 files changed, 528 deletions(-)
 delete mode 100644 src/common/utf8.cpp
 delete mode 100644 src/common/utf8.h

diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index af10b0a86d..e12699c23f 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -20,7 +20,6 @@ set(SRCS
             symbols.cpp
             thread.cpp
             timer.cpp
-            utf8.cpp
             )
 
 set(HEADERS
@@ -60,7 +59,6 @@ set(HEADERS
             thread_queue_list.h
             thunk.h
             timer.h
-            utf8.h
             )
 
 create_directory_groups(${SRCS} ${HEADERS})
diff --git a/src/common/utf8.cpp b/src/common/utf8.cpp
deleted file mode 100644
index 56609634c0..0000000000
--- a/src/common/utf8.cpp
+++ /dev/null
@@ -1,459 +0,0 @@
-/*
-  Basic UTF-8 manipulation routines
-  by Jeff Bezanson
-  placed in the public domain Fall 2005
-
-  This code is designed to provide the utilities you need to manipulate
-  UTF-8 as an internal string encoding. These functions do not perform the
-  error checking normally needed when handling UTF-8 data, so if you happen
-  to be from the Unicode Consortium you will want to flay me alive.
-  I do this because error checking can be performed at the boundaries (I/O),
-  with these routines reserved for higher performance on data known to be
-  valid.
-*/
-
-#ifdef _WIN32
-#include <windows.h>
-#undef min
-#undef max
-#endif
-
-#include <cstdlib>
-#include <cstring>
-#include <algorithm>
-
-#include "common/common_types.h"
-#include "common/utf8.h"
-
-// is start of UTF sequence
-inline bool isutf(char c) {
-    return (c & 0xC0) != 0x80;
-}
-
-static const u32 offsetsFromUTF8[6] = {
-  0x00000000UL, 0x00003080UL, 0x000E2080UL,
-  0x03C82080UL, 0xFA082080UL, 0x82082080UL
-};
-
-static const u8 trailingBytesForUTF8[256] = {
-  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-  1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
-        2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5,
-};
-
-/* returns length of next utf-8 sequence */
-int u8_seqlen(const char *s)
-{
-  return trailingBytesForUTF8[(unsigned int)(unsigned char)s[0]] + 1;
-}
-
-/* conversions without error checking
-   only works for valid UTF-8, i.e. no 5- or 6-byte sequences
-   srcsz = source size in bytes, or -1 if 0-terminated
-   sz = dest size in # of wide characters
-
-   returns # characters converted
-   dest will always be L'\0'-terminated, even if there isn't enough room
-   for all the characters.
-   if sz = srcsz+1 (i.e. 4*srcsz+4 bytes), there will always be enough space.
-*/
-int u8_toucs(u32 *dest, int sz, const char *src, int srcsz)
-{
-  u32 ch;
-  const char *src_end = src + srcsz;
-  int nb;
-  int i=0;
-
-  while (i < sz-1) {
-    nb = trailingBytesForUTF8[(unsigned char)*src];
-    if (srcsz == -1) {
-      if (*src == 0)
-        goto done_toucs;
-    }
-    else {
-      if (src + nb >= src_end)
-        goto done_toucs;
-    }
-    ch = 0;
-    switch (nb) {
-      /* these fall through deliberately */
-    case 3: ch += (unsigned char)*src++; ch <<= 6;
-    case 2: ch += (unsigned char)*src++; ch <<= 6;
-    case 1: ch += (unsigned char)*src++; ch <<= 6;
-    case 0: ch += (unsigned char)*src++;
-    }
-    ch -= offsetsFromUTF8[nb];
-    dest[i++] = ch;
-  }
- done_toucs:
-  dest[i] = 0;
-  return i;
-}
-
-/* srcsz = number of source characters, or -1 if 0-terminated
-   sz = size of dest buffer in bytes
-
-   returns # characters converted
-   dest will only be '\0'-terminated if there is enough space. this is
-   for consistency; imagine there are 2 bytes of space left, but the next
-   character requires 3 bytes. in this case we could NUL-terminate, but in
-   general we can't when there's insufficient space. therefore this function
-   only NUL-terminates if all the characters fit, and there's space for
-   the NUL as well.
-   the destination string will never be bigger than the source string.
-*/
-int u8_toutf8(char *dest, int sz, u32 *src, int srcsz)
-{
-  u32 ch;
-  int i = 0;
-  char *dest_end = dest + sz;
-
-  while (srcsz<0 ? src[i]!=0 : i < srcsz) {
-    ch = src[i];
-    if (ch < 0x80) {
-      if (dest >= dest_end)
-        return i;
-      *dest++ = (char)ch;
-    }
-    else if (ch < 0x800) {
-      if (dest >= dest_end-1)
-        return i;
-      *dest++ = (ch>>6) | 0xC0;
-      *dest++ = (ch & 0x3F) | 0x80;
-    }
-    else if (ch < 0x10000) {
-      if (dest >= dest_end-2)
-        return i;
-      *dest++ = (ch>>12) | 0xE0;
-      *dest++ = ((ch>>6) & 0x3F) | 0x80;
-      *dest++ = (ch & 0x3F) | 0x80;
-    }
-    else if (ch < 0x110000) {
-      if (dest >= dest_end-3)
-        return i;
-      *dest++ = (ch>>18) | 0xF0;
-      *dest++ = ((ch>>12) & 0x3F) | 0x80;
-      *dest++ = ((ch>>6) & 0x3F) | 0x80;
-      *dest++ = (ch & 0x3F) | 0x80;
-    }
-    i++;
-  }
-  if (dest < dest_end)
-    *dest = '\0';
-  return i;
-}
-
-int u8_wc_toutf8(char *dest, u32 ch)
-{
-  if (ch < 0x80) {
-    dest[0] = (char)ch;
-    return 1;
-  }
-  if (ch < 0x800) {
-    dest[0] = (ch>>6) | 0xC0;
-    dest[1] = (ch & 0x3F) | 0x80;
-    return 2;
-  }
-  if (ch < 0x10000) {
-    dest[0] = (ch>>12) | 0xE0;
-    dest[1] = ((ch>>6) & 0x3F) | 0x80;
-    dest[2] = (ch & 0x3F) | 0x80;
-    return 3;
-  }
-  if (ch < 0x110000) {
-    dest[0] = (ch>>18) | 0xF0;
-    dest[1] = ((ch>>12) & 0x3F) | 0x80;
-    dest[2] = ((ch>>6) & 0x3F) | 0x80;
-    dest[3] = (ch & 0x3F) | 0x80;
-    return 4;
-  }
-  return 0;
-}
-
-/* charnum => byte offset */
-int u8_offset(const char *str, int charnum)
-{
-  int offs=0;
-
-  while (charnum > 0 && str[offs]) {
-    (void)(isutf(str[++offs]) || isutf(str[++offs]) ||
-         isutf(str[++offs]) || ++offs);
-    charnum--;
-  }
-  return offs;
-}
-
-/* byte offset => charnum */
-int u8_charnum(const char *s, int offset)
-{
-  int charnum = 0, offs=0;
-
-  while (offs < offset && s[offs]) {
-    (void)(isutf(s[++offs]) || isutf(s[++offs]) ||
-         isutf(s[++offs]) || ++offs);
-    charnum++;
-  }
-  return charnum;
-}
-
-/* number of characters */
-int u8_strlen(const char *s)
-{
-  int count = 0;
-  int i = 0;
-
-  while (u8_nextchar(s, &i) != 0)
-    count++;
-
-  return count;
-}
-
-/* reads the next utf-8 sequence out of a string, updating an index */
-u32 u8_nextchar(const char *s, int *i)
-{
-  u32 ch = 0;
-  int sz = 0;
-
-  do {
-    ch <<= 6;
-    ch += (unsigned char)s[(*i)++];
-    sz++;
-  } while (s[*i] && !isutf(s[*i]));
-  ch -= offsetsFromUTF8[sz-1];
-
-  return ch;
-}
-
-void u8_inc(const char *s, int *i)
-{
-  (void)(isutf(s[++(*i)]) || isutf(s[++(*i)]) ||
-       isutf(s[++(*i)]) || ++(*i));
-}
-
-void u8_dec(const char *s, int *i)
-{
-  (void)(isutf(s[--(*i)]) || isutf(s[--(*i)]) ||
-       isutf(s[--(*i)]) || --(*i));
-}
-
-int octal_digit(char c)
-{
-  return (c >= '0' && c <= '7');
-}
-
-int hex_digit(char c)
-{
-  return ((c >= '0' && c <= '9') ||
-      (c >= 'A' && c <= 'F') ||
-      (c >= 'a' && c <= 'f'));
-}
-
-/* assumes that src points to the character after a backslash
-   returns number of input characters processed */
-int u8_read_escape_sequence(const char *str, u32 *dest)
-{
-  u32 ch;
-  char digs[9]="\0\0\0\0\0\0\0\0";
-  int dno=0, i=1;
-
-  ch = (u32)str[0];  /* take literal character */
-  if (str[0] == 'n')
-    ch = L'\n';
-  else if (str[0] == 't')
-    ch = L'\t';
-  else if (str[0] == 'r')
-    ch = L'\r';
-  else if (str[0] == 'b')
-    ch = L'\b';
-  else if (str[0] == 'f')
-    ch = L'\f';
-  else if (str[0] == 'v')
-    ch = L'\v';
-  else if (str[0] == 'a')
-    ch = L'\a';
-  else if (octal_digit(str[0])) {
-    i = 0;
-    do {
-      digs[dno++] = str[i++];
-    } while (octal_digit(str[i]) && dno < 3);
-    ch = strtol(digs, nullptr, 8);
-  }
-  else if (str[0] == 'x') {
-    while (hex_digit(str[i]) && dno < 2) {
-      digs[dno++] = str[i++];
-    }
-    if (dno > 0)
-      ch = strtol(digs, nullptr, 16);
-  }
-  else if (str[0] == 'u') {
-    while (hex_digit(str[i]) && dno < 4) {
-      digs[dno++] = str[i++];
-    }
-    if (dno > 0)
-      ch = strtol(digs, nullptr, 16);
-  }
-  else if (str[0] == 'U') {
-    while (hex_digit(str[i]) && dno < 8) {
-      digs[dno++] = str[i++];
-    }
-    if (dno > 0)
-      ch = strtol(digs, nullptr, 16);
-  }
-  *dest = ch;
-
-  return i;
-}
-
-/* convert a string with literal \uxxxx or \Uxxxxxxxx characters to UTF-8
-   example: u8_unescape(mybuf, 256, "hello\\u220e")
-   note the double backslash is needed if called on a C string literal */
-int u8_unescape(char *buf, int sz, char *src)
-{
-  int c=0, amt;
-  u32 ch;
-  char temp[4];
-
-  while (*src && c < sz) {
-    if (*src == '\\') {
-      src++;
-      amt = u8_read_escape_sequence(src, &ch);
-    }
-    else {
-      ch = (u32)*src;
-      amt = 1;
-    }
-    src += amt;
-    amt = u8_wc_toutf8(temp, ch);
-    if (amt > sz-c)
-      break;
-    memcpy(&buf[c], temp, amt);
-    c += amt;
-  }
-  if (c < sz)
-    buf[c] = '\0';
-  return c;
-}
-
-const char *u8_strchr(const char *s, u32 ch, int *charn)
-{
-  int i = 0, lasti=0;
-  u32 c;
-
-  *charn = 0;
-  while (s[i]) {
-    c = u8_nextchar(s, &i);
-    if (c == ch) {
-      return &s[lasti];
-    }
-    lasti = i;
-    (*charn)++;
-  }
-  return nullptr;
-}
-
-const char *u8_memchr(const char *s, u32 ch, size_t sz, int *charn)
-{
-  u32 i = 0, lasti=0;
-  u32 c;
-  int csz;
-
-  *charn = 0;
-  while (i < sz) {
-    c = csz = 0;
-    do {
-      c <<= 6;
-      c += (unsigned char)s[i++];
-      csz++;
-    } while (i < sz && !isutf(s[i]));
-    c -= offsetsFromUTF8[csz-1];
-
-    if (c == ch) {
-      return &s[lasti];
-    }
-    lasti = i;
-    (*charn)++;
-  }
-  return nullptr;
-}
-
-int u8_is_locale_utf8(const char *locale)
-{
-  /* this code based on libutf8 */
-  const char* cp = locale;
-
-  for (; *cp != '\0' && *cp != '@' && *cp != '+' && *cp != ','; cp++) {
-    if (*cp == '.') {
-      const char* encoding = ++cp;
-      for (; *cp != '\0' && *cp != '@' && *cp != '+' && *cp != ','; cp++)
-        ;
-      if ((cp-encoding == 5 && !strncmp(encoding, "UTF-8", 5))
-        || (cp-encoding == 4 && !strncmp(encoding, "utf8", 4)))
-        return 1; /* it's UTF-8 */
-      break;
-    }
-  }
-  return 0;
-}
-
-int UTF8StringNonASCIICount(const char *utf8string) {
-    UTF8 utf(utf8string);
-    int count = 0;
-    while (!utf.end()) {
-        int c = utf.next();
-        if (c > 127)
-            ++count;
-    }
-    return count;
-}
-
-bool UTF8StringHasNonASCII(const char *utf8string) {
-    return UTF8StringNonASCIICount(utf8string) > 0;
-}
-
-#ifdef _WIN32
-
-std::string ConvertWStringToUTF8(const wchar_t *wstr) {
-    int len = (int)wcslen(wstr);
-    int size = (int)WideCharToMultiByte(CP_UTF8, 0, wstr, len, 0, 0, nullptr, nullptr);
-    std::string s;
-    s.resize(size);
-    if (size > 0) {
-        WideCharToMultiByte(CP_UTF8, 0, wstr, len, &s[0], size, nullptr, nullptr);
-    }
-    return s;
-}
-
-std::string ConvertWStringToUTF8(const std::wstring &wstr) {
-    int len = (int)wstr.size();
-    int size = (int)WideCharToMultiByte(CP_UTF8, 0, wstr.c_str(), len, 0, 0, nullptr, nullptr);
-    std::string s;
-    s.resize(size);
-    if (size > 0) {
-        WideCharToMultiByte(CP_UTF8, 0, wstr.c_str(), len, &s[0], size, nullptr, nullptr);
-    }
-    return s;
-}
-
-void ConvertUTF8ToWString(wchar_t *dest, size_t destSize, const std::string &source) {
-    int len = (int)source.size();
-    int size = (int)MultiByteToWideChar(CP_UTF8, 0, source.c_str(), len, nullptr, 0);
-    MultiByteToWideChar(CP_UTF8, 0, source.c_str(), len, dest, std::min((int)destSize, size));
-}
-
-std::wstring ConvertUTF8ToWString(const std::string &source) {
-    int len = (int)source.size();
-    int size = (int)MultiByteToWideChar(CP_UTF8, 0, source.c_str(), len, nullptr, 0);
-    std::wstring str;
-    str.resize(size);
-    if (size > 0) {
-        MultiByteToWideChar(CP_UTF8, 0, source.c_str(), len, &str[0], size);
-    }
-    return str;
-}
-
-#endif
diff --git a/src/common/utf8.h b/src/common/utf8.h
deleted file mode 100644
index a6e84913bd..0000000000
--- a/src/common/utf8.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
-  Basic UTF-8 manipulation routines
-  by Jeff Bezanson
-  placed in the public domain Fall 2005
-
-  This code is designed to provide the utilities you need to manipulate
-  UTF-8 as an internal string encoding. These functions do not perform the
-  error checking normally needed when handling UTF-8 data, so if you happen
-  to be from the Unicode Consortium you will want to flay me alive.
-  I do this because error checking can be performed at the boundaries (I/O),
-  with these routines reserved for higher performance on data known to be
-  valid.
-*/
-
-// Further modified, and C++ stuff added, by hrydgard@gmail.com.
-
-#pragma once
-
-#include "common/common_types.h"
-#include <string>
-
-u32 u8_nextchar(const char *s, int *i);
-int u8_wc_toutf8(char *dest, u32 ch);
-int u8_strlen(const char *s);
-
-class UTF8 {
-public:
-    static const u32 INVALID = (u32)-1;
-    UTF8(const char *c) : c_(c), index_(0) {}
-    bool end() const { return c_[index_] == 0; }
-    u32 next() {
-        return u8_nextchar(c_, &index_);
-    }
-    u32 peek() {
-        int tempIndex = index_;
-        return u8_nextchar(c_, &tempIndex);
-    }
-    int length() const {
-        return u8_strlen(c_);
-    }
-    int byteIndex() const {
-        return index_;
-    }
-    static int encode(char *dest, u32 ch) {
-        return u8_wc_toutf8(dest, ch);
-    }
-
-private:
-    const char *c_;
-    int index_;
-};
-
-int UTF8StringNonASCIICount(const char *utf8string);
-
-bool UTF8StringHasNonASCII(const char *utf8string);
-
-
-// UTF8 to Win32 UTF-16
-// Should be used when calling Win32 api calls
-#ifdef _WIN32
-
-std::string ConvertWStringToUTF8(const std::wstring &wstr);
-std::string ConvertWStringToUTF8(const wchar_t *wstr);
-void ConvertUTF8ToWString(wchar_t *dest, size_t destSize, const std::string &source);
-std::wstring ConvertUTF8ToWString(const std::string &source);
-
-#endif