fastjsonの深さのソースコード解析-プログレッシブ(二)-プログレッシブバイトと文字列解析
64077 ワード
SerializerWriterメンバー関数
プログレッシブ16進数バイト配列
プログレッシブbyteバイト配列
プログレッシブ文字列
プログレッシブ文字配列
プログレッシブには特殊文字列が含まれています。は、序文化BrowserComptible特性を開くと、asciiをnative符号に変換し、省スペース化する。 出力器writerが空でないと、自動的にブザー拡がりをトリガする もう一つの特殊文字に対する文字列の序列化方法は、writestring WithDouble Quote（char[]text、final char seperator）と、writestring WithDouble Quote（String text、final char seperator）のバージョンときわめて類似しているので、冗長解析は行われない。
プログレッシブ文字列の方法はシングルクォーテーションマークのバージョンを追加することを含みます。詳細はWriteStrigWithSingleQuoteを参照してください。特殊文字に対して、変換文字を追加し、特殊文字を普通文字に置き換える 。出力器writerが空でないと、自動的にブザー拡がりをトリガする もう一つの特殊文字に対する文字列の順序付け方法
プログレッシブ16進数バイト配列
public void writeHex(byte[] bytes) {
/** , 2 2 , 3 x ' */
int newcount = count + bytes.length * 2 + 3;
if (newcount > buf.length) {
if (writer != null) {
char[] chars = new char[bytes.length + 3];
int pos = 0;
chars[pos++] = 'x';
chars[pos++] = '\'';
for (int i = 0; i < bytes.length; ++i) {
byte b = bytes[i];
int a = b & 0xFF;
/** 1111 0000*/
int b0 = a >> 4;
/** 0000 1111*/
int b1 = a & 0xf;
/**
* 4 0~9, ascii 0~9
* 4 , 16 ascii
*/
chars[pos++] = (char) (b0 + (b0 < 10 ? 48 : 55));
chars[pos++] = (char) (b1 + (b1 < 10 ? 48 : 55));
}
chars[pos++] = '\'';
try {
writer.write(chars);
} catch (IOException ex) {
throw new JSONException("writeBytes error.", ex);
}
return;
}
/** buffer ， */
expandCapacity(newcount);
}
buf[count++] = 'x';
buf[count++] = '\'';
for (int i = 0; i < bytes.length; ++i) {
byte b = bytes[i];
int a = b & 0xFF;
/** */
int b0 = a >> 4;
/** */
int b1 = a & 0xf;
/**
* 4 0~9, ascii 0~9
* 4 , 16 ascii
*/
buf[count++] = (char) (b0 + (b0 < 10 ? 48 : 55));
buf[count++] = (char) (b1 + (b1 < 10 ? 48 : 55));
}
buf[count++] = '\'';
}writeHexこのプログレッシブ方法は主に16進数の自分を2つのasciiコード文字を占有するように変換し、シングルクォーテーションマークとxプレフィックスを追加する。プログレッシブbyteバイト配列
public void writeByteArray(byte[] bytes) {
if (isEnabled(SerializerFeature.WriteClassName.mask)) {
/** WriteClassName， 16 */
writeHex(bytes);
return;
}
int bytesLen = bytes.length;
final char quote = useSingleQuotes ? '\'' : '"';
if (bytesLen == 0) {
String emptyString = useSingleQuotes ? "''" : "\"\"";
/** 0， */
write(emptyString);
return;
}
final char[] CA = IOUtils.CA;
/** 24bit */
int eLen = (bytesLen / 3) * 3;
/** base64
*
* base64 :
* ， ， 24 。
* ， 24 ， 6 。
* ， 00， 32 ， 。
* ， ， ， Base64 。
*
* ref: http://www.ruanyifeng.com/blog/2008/06/base64.html
*/
int charsLen = ((bytesLen - 1) / 3 + 1) << 2;
// char[] chars = new char[charsLen];
int offset = count;
int newcount = count + charsLen + 2;
if (newcount > buf.length) {
if (writer != null) {
write(quote);
for (int s = 0; s < eLen;) {
/** , */
int i = (bytes[s++] & 0xff) << 16 | (bytes[s++] & 0xff) << 8 | (bytes[s++] & 0xff);
write(CA[(i >>> 18) & 0x3f]);
write(CA[(i >>> 12) & 0x3f]);
write(CA[(i >>> 6) & 0x3f]);
/** 00 */
write(CA[i & 0x3f]);
}
/** 3 */
// Pad and encode last bits if source isn't even 24 bits.
int left = bytesLen - eLen; // 0 - 2.
if (left > 0) {
/**
* a) 1 ：
* 1 8 ， 6 2 ， 00， 0000，
* Base64 ， 2 "="
*
* b) 2 ：
* 2 16 ， 6 3 ， 00， 00，
* 3 Base64 ， "="
*
*
* 1 ， a)
* 1 6 ， 2 4 0， 10 = 6 + 4
*
* 2 ， b)
* 1 10 2 2 0
*/
int i = ((bytes[eLen] & 0xff) << 10) | (left == 2 ? ((bytes[bytesLen - 1] & 0xff) << 2) : 0);
/** */
write(CA[i >> 12]);
write(CA[(i >>> 6) & 0x3f]);
write(left == 2 ? CA[i & 0x3f] : '=');
write('=');
}
write(quote);
return;
}
expandCapacity(newcount);
}
count = newcount;
buf[offset++] = quote;
// Encode even 24-bits
for (int s = 0, d = offset; s < eLen;) {
/** , */
int i = (bytes[s++] & 0xff) << 16 | (bytes[s++] & 0xff) << 8 | (bytes[s++] & 0xff);
// Encode the int into four chars
buf[d++] = CA[(i >>> 18) & 0x3f];
buf[d++] = CA[(i >>> 12) & 0x3f];
buf[d++] = CA[(i >>> 6) & 0x3f];
/** 00 */
buf[d++] = CA[i & 0x3f];
}
/** 3 */
int left = bytesLen - eLen; // 0 - 2.
if (left > 0) {
// Prepare the int
int i = ((bytes[eLen] & 0xff) << 10) | (left == 2 ? ((bytes[bytesLen - 1] & 0xff) << 2) : 0);
/** */
buf[newcount - 5] = CA[i >> 12];
buf[newcount - 4] = CA[(i >>> 6) & 0x3f];
buf[newcount - 3] = left == 2 ? CA[i & 0x3f] : '=';
buf[newcount - 2] = '=';
}
buf[newcount - 1] = quote;
}writeByteArrayは、序文化されたバイト群であり、実際にはbase 64符号化変換を行い、コードには詳細な注釈が付加されている。プログレッシブ文字列
public void write(String str, int off, int len) {
/** */
int newcount = count + len;
/** */
if (newcount > buf.length) {
if (writer == null) {
expandCapacity(newcount);
} else {
/**
* str ,
*/
do {
/** buffer */
int rest = buf.length - count;
/** str[off, off + rest) buf[count, ...] */
str.getChars(off, off + rest, buf, count);
count = buf.length;
/** ， count = 0 */
flush();
/** */
len -= rest;
/** str ( ) */
off += rest;
} while (len > buf.length);
newcount = len;
}
}
/** ， str[off, off + len) buf[count, ...] */
str.getChars(off, off + len, buf, count);
count = newcount;
}write(string)は、最終的には上の形態write(string, 0, string.length)に変換される。プログレッシブ文字配列
public void write(char c[], int off, int len) {
if (off < 0 //
|| off > c.length //
|| len < 0 //
|| off + len > c.length //
|| off + len < 0) {
throw new IndexOutOfBoundsException();
} else if (len == 0) {
return;
}
/** */
int newcount = count + len;
/** */
if (newcount > buf.length) {
if (writer == null) {
expandCapacity(newcount);
} else {
/**
* c ,
*/
do {
/** buffer */
int rest = buf.length - count;
/** c[off, off + rest) buf[count, ...] */
System.arraycopy(c, off, buf, count, rest);
count = buf.length;
/** ， count = 0 */
flush();
/** */
len -= rest;
/** c ( ) */
off += rest;
} while (len > buf.length);
newcount = len;
}
}
System.arraycopy(c, off, buf, count, len);
count = newcount;
} public void write(List list) {
if (list.isEmpty()) {
/** ， [] */
write("[]");
return;
}
int offset = count;
final int initOffset = offset;
for (int i = 0, list_size = list.size(); i < list_size; ++i) {
/** */
String text = list.get(i);
boolean hasSpecial = false;
if (text == null) {
/** list null */
hasSpecial = true;
} else {
for (int j = 0, len = text.length(); j < len; ++j) {
char ch = text.charAt(j);
/** */
if (hasSpecial = (ch < ' ' //
|| ch > '~' //
|| ch == '"' //
|| ch == '\\')) {
break;
}
}
}
if (hasSpecial) {
count = initOffset;
write('[');
for (int j = 0; j < list.size(); ++j) {
text = list.get(j);
/** , */
if (j != 0) {
write(',');
}
if (text == null) {
/** ， null */
write("null");
} else {
/** ， , */
writeStringWithDoubleQuote(text, (char) 0);
}
}
write(']');
return;
}
/** ， 3 "," */
int newcount = offset + text.length() + 3;
if (i == list.size() - 1) {
newcount++;
}
/** */
if (newcount > buf.length) {
count = offset;
/** buf 1.5 +1, copy buf */
expandCapacity(newcount);
}
if (i == 0) {
buf[offset++] = '[';
} else {
buf[offset++] = ',';
}
buf[offset++] = '"';
/** text buffer */
text.getChars(0, text.length(), buf, offset);
offset += text.length();
buf[offset++] = '"';
}
/** ["element", "element", ...] */
buf[offset++] = ']';
count = offset;
} [“element”, "element", ...]フォーマットに変換されます。リスト文字列に特殊文字が含まれている場合は、特化バージョンwriteStringWithDoubleQuote(text, (char) 0)を呼び出します。プログレッシブには特殊文字列が含まれています。
public void writeStringWithDoubleQuote(String text, final char seperator) {
if (text == null) {
/** ， null */
writeNull();
if (seperator != 0) {
/** ' '， */
write(seperator);
}
return;
}
int len = text.length();
int newcount = count + len + 2;
if (seperator != 0) {
newcount++;
}
/** */
if (newcount > buf.length) {
if (writer != null) {
/** */
write('"');
for (int i = 0; i < text.length(); ++i) {
/** */
char ch = text.charAt(i);
if (isEnabled(SerializerFeature.BrowserSecure)) {
if (ch == '(' || ch == ')' || ch == ' || ch == '>') {
/** ascii native */
write('\\');
write('u');
write(IOUtils.DIGITS[(ch >>> 12) & 15]);
write(IOUtils.DIGITS[(ch >>> 8) & 15]);
write(IOUtils.DIGITS[(ch >>> 4) & 15]);
write(IOUtils.DIGITS[ch & 15]);
continue;
}
}
if (isEnabled(SerializerFeature.BrowserCompatible)) {
if (ch == '\b' //
|| ch == '\f' //
|| ch == '
' //
|| ch == '\r' //
|| ch == '\t' // tab
|| ch == '"' //
|| ch == '/' //
|| ch == '\\') {//
/** + ascii */
write('\\'); //
write(replaceChars[(int) ch]);
continue;
}
if (ch < 32) {
/** ascii native */
write('\\');
write('u');
write('0');
write('0');
write(IOUtils.ASCII_CHARS[ch * 2]);
write(IOUtils.ASCII_CHARS[ch * 2 + 1]);
continue;
}
if (ch >= 127) {
/** ascii native */
write('\\');
write('u');
write(IOUtils.DIGITS[(ch >>> 12) & 15]);
write(IOUtils.DIGITS[(ch >>> 8) & 15]);
write(IOUtils.DIGITS[(ch >>> 4) & 15]);
write(IOUtils.DIGITS[ch & 15]);
continue;
}
} else {
/** ascii native */
if (ch < IOUtils.specicalFlags_doubleQuotes.length
&& IOUtils.specicalFlags_doubleQuotes[ch] != 0 //
|| (ch == '/' && isEnabled(SerializerFeature.WriteSlashAsSpecial))) {
write('\\');
if (IOUtils.specicalFlags_doubleQuotes[ch] == 4) {
write('u');
write(IOUtils.DIGITS[ch >>> 12 & 15]);
write(IOUtils.DIGITS[ch >>> 8 & 15]);
write(IOUtils.DIGITS[ch >>> 4 & 15]);
write(IOUtils.DIGITS[ch & 15]);
} else {
write(IOUtils.replaceChars[ch]);
}
continue;
}
}
/** ， */
write(ch);
}
/** */
write('"');
if (seperator != 0) {
write(seperator);
}
return;
}
/** buffer ， */
expandCapacity(newcount);
}
int start = count + 1;
int end = start + len;
buf[count] = '\"';
/** buffer ， text buf */
text.getChars(0, len, buf, start);
count = newcount;
if (isEnabled(SerializerFeature.BrowserCompatible)) {
int lastSpecialIndex = -1;
for (int i = start; i < end; ++i) {
/** */
char ch = buf[i];
if (ch == '"' //
|| ch == '/' //
|| ch == '\\') {
/** */
lastSpecialIndex = i;
newcount += 1;
continue;
}
if (ch == '\b' //
|| ch == '\f' //
|| ch == '
' //
|| ch == '\r' //
|| ch == '\t') {
/** */
lastSpecialIndex = i;
newcount += 1;
continue;
}
if (ch < 32) {
lastSpecialIndex = i;
newcount += 5;
continue;
}
if (ch >= 127) {
lastSpecialIndex = i;
newcount += 5;
continue;
}
}
/** ， (1.5 buffer +1) */
if (newcount > buf.length) {
expandCapacity(newcount);
}
count = newcount;
/** */
for (int i = lastSpecialIndex; i >= start; --i) {
char ch = buf[i];
if (ch == '\b' //
|| ch == '\f'//
|| ch == '
' //
|| ch == '\r' //
|| ch == '\t') {
/** ， \ */
System.arraycopy(buf, i + 1, buf, i + 2, end - i - 1);
buf[i] = '\\';
/** */
buf[i + 1] = replaceChars[(int) ch];
end += 1;
continue;
}
if (ch == '"' //
|| ch == '/' //
|| ch == '\\') {
/** ， */
System.arraycopy(buf, i + 1, buf, i + 2, end - i - 1);
buf[i] = '\\';
buf[i + 1] = ch;
end += 1;
continue;
}
if (ch < 32) {
System.arraycopy(buf, i + 1, buf, i + 6, end - i - 1);
/** ascii native */
buf[i] = '\\';
buf[i + 1] = 'u';
buf[i + 2] = '0';
buf[i + 3] = '0';
buf[i + 4] = IOUtils.ASCII_CHARS[ch * 2];
buf[i + 5] = IOUtils.ASCII_CHARS[ch * 2 + 1];
end += 5;
continue;
}
if (ch >= 127) {
System.arraycopy(buf, i + 1, buf, i + 6, end - i - 1);
/** ascii native */
buf[i] = '\\';
buf[i + 1] = 'u';
buf[i + 2] = IOUtils.DIGITS[(ch >>> 12) & 15];
buf[i + 3] = IOUtils.DIGITS[(ch >>> 8) & 15];
buf[i + 4] = IOUtils.DIGITS[(ch >>> 4) & 15];
buf[i + 5] = IOUtils.DIGITS[ch & 15];
end += 5;
}
}
/** */
if (seperator != 0) {
buf[count - 2] = '\"';
buf[count - 1] = seperator;
} else {
buf[count - 1] = '\"';
}
return;
}
int specialCount = 0;
int lastSpecialIndex = -1;
int firstSpecialIndex = -1;
char lastSpecial = '\0';
for (int i = start; i < end; ++i) {
char ch = buf[i];
if (ch >= ']') { // 93
/** ：http://www.mokuge.com/tool/asciito16/ */
if (ch >= 0x7F // 127
&& (ch == '\u2028' //
|| ch == '\u2029' //
|| ch < 0xA0)) { // 160 [ ]
if (firstSpecialIndex == -1) {
firstSpecialIndex = i;
}
specialCount++;
lastSpecialIndex = i;
lastSpecial = ch;
newcount += 4;
}
continue;
}
boolean special = (ch < 64 && (sepcialBits & (1L << ch)) != 0) || ch == '\\';
if (special) {
specialCount++;
lastSpecialIndex = i;
lastSpecial = ch;
if (ch == '('
|| ch == ')'
|| ch == '
|| ch == '>'
|| (ch < IOUtils.specicalFlags_doubleQuotes.length //
&& IOUtils.specicalFlags_doubleQuotes[ch] == 4) //
) {
newcount += 4;
}
if (firstSpecialIndex == -1) {
firstSpecialIndex = i;
}
}
}
if (specialCount > 0) {
newcount += specialCount;
/** buffer ， */
if (newcount > buf.length) {
expandCapacity(newcount);
}
count = newcount;
/** native ， */
if (specialCount == 1) {
//
if (lastSpecial == '\u2028') {
int srcPos = lastSpecialIndex + 1;
int destPos = lastSpecialIndex + 6;
int LengthOfCopy = end - lastSpecialIndex - 1;
System.arraycopy(buf, srcPos, buf, destPos, LengthOfCopy);
buf[lastSpecialIndex] = '\\';
buf[++lastSpecialIndex] = 'u';
buf[++lastSpecialIndex] = '2';
buf[++lastSpecialIndex] = '0';
buf[++lastSpecialIndex] = '2';
buf[++lastSpecialIndex] = '8';
}
//
else if (lastSpecial == '\u2029') {
int srcPos = lastSpecialIndex + 1;
int destPos = lastSpecialIndex + 6;
int LengthOfCopy = end - lastSpecialIndex - 1;
System.arraycopy(buf, srcPos, buf, destPos, LengthOfCopy);
buf[lastSpecialIndex] = '\\';
buf[++lastSpecialIndex] = 'u';
buf[++lastSpecialIndex] = '2';
buf[++lastSpecialIndex] = '0';
buf[++lastSpecialIndex] = '2';
buf[++lastSpecialIndex] = '9';
} else if (lastSpecial == '(' || lastSpecial == ')' || lastSpecial == ' || lastSpecial == '>') {
int srcPos = lastSpecialIndex + 1;
int destPos = lastSpecialIndex + 6;
int LengthOfCopy = end - lastSpecialIndex - 1;
System.arraycopy(buf, srcPos, buf, destPos, LengthOfCopy);
buf[lastSpecialIndex] = '\\';
buf[++lastSpecialIndex] = 'u';
final char ch = lastSpecial;
buf[++lastSpecialIndex] = IOUtils.DIGITS[(ch >>> 12) & 15];
buf[++lastSpecialIndex] = IOUtils.DIGITS[(ch >>> 8) & 15];
buf[++lastSpecialIndex] = IOUtils.DIGITS[(ch >>> 4) & 15];
buf[++lastSpecialIndex] = IOUtils.DIGITS[ch & 15];
} else {
final char ch = lastSpecial;
if (ch < IOUtils.specicalFlags_doubleQuotes.length //
&& IOUtils.specicalFlags_doubleQuotes[ch] == 4) {
int srcPos = lastSpecialIndex + 1;
int destPos = lastSpecialIndex + 6;
int LengthOfCopy = end - lastSpecialIndex - 1;
System.arraycopy(buf, srcPos, buf, destPos, LengthOfCopy);
int bufIndex = lastSpecialIndex;
buf[bufIndex++] = '\\';
buf[bufIndex++] = 'u';
buf[bufIndex++] = IOUtils.DIGITS[(ch >>> 12) & 15];
buf[bufIndex++] = IOUtils.DIGITS[(ch >>> 8) & 15];
buf[bufIndex++] = IOUtils.DIGITS[(ch >>> 4) & 15];
buf[bufIndex++] = IOUtils.DIGITS[ch & 15];
} else {
int srcPos = lastSpecialIndex + 1;
int destPos = lastSpecialIndex + 2;
int LengthOfCopy = end - lastSpecialIndex - 1;
System.arraycopy(buf, srcPos, buf, destPos, LengthOfCopy);
buf[lastSpecialIndex] = '\\';
buf[++lastSpecialIndex] = replaceChars[(int) ch];
}
}
} else if (specialCount > 1) {
int textIndex = firstSpecialIndex - start;
int bufIndex = firstSpecialIndex;
for (int i = textIndex; i < text.length(); ++i) {
char ch = text.charAt(i);
/** native ， */
if (browserSecure && (ch == '('
|| ch == ')'
|| ch == '
|| ch == '>')) {
buf[bufIndex++] = '\\';
buf[bufIndex++] = 'u';
buf[bufIndex++] = IOUtils.DIGITS[(ch >>> 12) & 15];
buf[bufIndex++] = IOUtils.DIGITS[(ch >>> 8) & 15];
buf[bufIndex++] = IOUtils.DIGITS[(ch >>> 4) & 15];
buf[bufIndex++] = IOUtils.DIGITS[ch & 15];
end += 5;
} else if (ch < IOUtils.specicalFlags_doubleQuotes.length //
&& IOUtils.specicalFlags_doubleQuotes[ch] != 0 //
|| (ch == '/' && isEnabled(SerializerFeature.WriteSlashAsSpecial))) {
buf[bufIndex++] = '\\';
if (IOUtils.specicalFlags_doubleQuotes[ch] == 4) {
buf[bufIndex++] = 'u';
buf[bufIndex++] = IOUtils.DIGITS[(ch >>> 12) & 15];
buf[bufIndex++] = IOUtils.DIGITS[(ch >>> 8) & 15];
buf[bufIndex++] = IOUtils.DIGITS[(ch >>> 4) & 15];
buf[bufIndex++] = IOUtils.DIGITS[ch & 15];
end += 5;
} else {
buf[bufIndex++] = replaceChars[(int) ch];
end++;
}
} else {
// 、
if (ch == '\u2028' || ch == '\u2029') {
buf[bufIndex++] = '\\';
buf[bufIndex++] = 'u';
buf[bufIndex++] = IOUtils.DIGITS[(ch >>> 12) & 15];
buf[bufIndex++] = IOUtils.DIGITS[(ch >>> 8) & 15];
buf[bufIndex++] = IOUtils.DIGITS[(ch >>> 4) & 15];
buf[bufIndex++] = IOUtils.DIGITS[ch & 15];
end += 5;
} else {
buf[bufIndex++] = ch;
}
}
}
}
}
if (seperator != 0) {
buf[count - 2] = '\"';
buf[count - 1] = seperator;
} else {
buf[count - 1] = '\"';
}
}( 1.5 +1)。プログレッシブ文字列の方法はシングルクォーテーションマークのバージョンを追加することを含みます。詳細はWriteStrigWithSingleQuoteを参照してください。
protected void writeStringWithSingleQuote(String text) {
if (text == null) {
int newcount = count + 4;
if (newcount > buf.length) {
expandCapacity(newcount);
}
/** null， "null" */
"null".getChars(0, 4, buf, count);
count = newcount;
return;
}
int len = text.length();
int newcount = count + len + 2;
if (newcount > buf.length) {
if (writer != null) {
/** */
write('\'');
for (int i = 0; i < text.length(); ++i) {
char ch = text.charAt(i);
if (ch <= 13 || ch == '\\' || ch == '\'' //
|| (ch == '/' && isEnabled(SerializerFeature.WriteSlashAsSpecial))) {
/** '\' ''' ， */
write('\\');
write(replaceChars[(int) ch]);
} else {
write(ch);
}
}
write('\'');
return;
}
/** buffer ， */
expandCapacity(newcount);
}
int start = count + 1;
int end = start + len;
buf[count] = '\'';
/** buffer ， text buf */
text.getChars(0, len, buf, start);
count = newcount;
int specialCount = 0;
int lastSpecialIndex = -1;
char lastSpecial = '\0';
for (int i = start; i < end; ++i) {
char ch = buf[i];
if (ch <= 13 || ch == '\\' || ch == '\'' //
|| (ch == '/' && isEnabled(SerializerFeature.WriteSlashAsSpecial))) {
/** */
specialCount++;
lastSpecialIndex = i;
lastSpecial = ch;
}
}
newcount += specialCount;
if (newcount > buf.length) {
expandCapacity(newcount);
}
count = newcount;
if (specialCount == 1) {
/** ， \ */
System.arraycopy(buf, lastSpecialIndex + 1, buf, lastSpecialIndex + 2, end - lastSpecialIndex - 1);
buf[lastSpecialIndex] = '\\';
buf[++lastSpecialIndex] = replaceChars[(int) lastSpecial];
} else if (specialCount > 1) {
System.arraycopy(buf, lastSpecialIndex + 1, buf, lastSpecialIndex + 2, end - lastSpecialIndex - 1);
buf[lastSpecialIndex] = '\\';
buf[++lastSpecialIndex] = replaceChars[(int) lastSpecial];
end++;
for (int i = lastSpecialIndex - 2; i >= start; --i) {
char ch = buf[i];
if (ch <= 13 || ch == '\\' || ch == '\'' //
|| (ch == '/' && isEnabled(SerializerFeature.WriteSlashAsSpecial))) {
/** ， \ */
System.arraycopy(buf, i + 1, buf, i + 2, end - i - 1);
buf[i] = '\\';
buf[i + 1] = replaceChars[(int) ch];
end++;
}
}
}
/** */
buf[count - 1] = '\'';
}( 1.5 +1)。writeStringWithSingleQuote(char[])は、writeStringWithSingleQuote(String)バージョンと極めて類似しているので、冗長解析は行われない。