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redkale
2024-09-17 17:01:22 +08:00
parent 016ee632c1
commit 10842830dc
1 changed files with 60 additions and 61 deletions
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121
src/main/java/org/redkale/convert/json/JsonReader.java
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@@ -162,7 +162,7 @@ public class JsonReader extends Reader {
*/ */
protected char nextChar() { protected char nextChar() {
int p = ++this.position; int p = ++this.position;
if (p >= text.length) { if (p >= limit) {
return 0; return 0;
} }
return this.text[p]; return this.text[p];
@@ -818,38 +818,38 @@ public class JsonReader extends Reader {
} }
char ch = nextGoodChar(true); // 需要跳过注释 char ch = nextGoodChar(true); // 需要跳过注释
final char[] text0 = this.text; final char[] text0 = this.text;
int currpos = this.position; int curr = this.position;
if (ch == '"' || ch == '\'') { if (ch == '"' || ch == '\'') {
final char quote = ch; final char quote = ch;
final int start = currpos + 1; final int start = curr + 1;
for (; ; ) { for (; ; ) {
ch = text0[++currpos]; ch = text0[++curr];
if (ch == '\\') { if (ch == '\\') {
this.position = currpos - 1; this.position = curr - 1;
return readEscapeValue(quote, start); return readEscapeValue(quote, start);
} else if (ch == quote) { } else if (ch == quote) {
break; break;
} }
} }
this.position = currpos; this.position = curr;
return new String(text0, start, currpos - start); return new String(text0, start, curr - start);
} else { } else {
int start = currpos; int start = curr;
for (; ; ) { for (; ; ) {
if (currpos == eof) { if (curr == eof) {
break; break;
} }
ch = text0[++currpos]; ch = text0[++curr];
if (ch == ',' || ch == ']' || ch == '}' || ch <= ' ' || ch == ':') { if (ch == ',' || ch == ']' || ch == '}' || ch <= ' ' || ch == ':') {
break; break;
} }
} }
int len = currpos - start; int len = curr - start;
if (len < 1) { if (len < 1) {
this.position = currpos; this.position = curr;
return String.valueOf(ch); return String.valueOf(ch);
} }
this.position = currpos - 1; this.position = curr - 1;
if (len == 4 if (len == 4
&& text0[start] == 'n' && text0[start] == 'n'
&& text0[start + 1] == 'u' && text0[start + 1] == 'u'
@@ -878,75 +878,76 @@ public class JsonReader extends Reader {
protected String readString(boolean flag) { protected String readString(boolean flag) {
final char[] text0 = this.text; final char[] text0 = this.text;
char expected = nextGoodChar(true); char expected = nextGoodChar(true);
int currpos = this.position; int curr = this.position;
if (expected != '"' && expected != '\'') { if (expected != '"' && expected != '\'') {
if (expected == 'n' if (expected == 'n'
&& text0.length > currpos + 3 && text0.length > curr + 3
&& (text0[1 + currpos] == 'u' && text0[2 + currpos] == 'l' && text0[3 + currpos] == 'l')) { && (text0[1 + curr] == 'u' && text0[2 + curr] == 'l' && text0[3 + curr] == 'l')) {
if (text0[++currpos] == 'u' && text0[++currpos] == 'l' && text0[++currpos] == 'l') { if (text0[++curr] == 'u' && text0[++curr] == 'l' && text0[++curr] == 'l') {
this.position = currpos; this.position = curr;
if (text0.length > currpos + 4) { if (text0.length > curr + 4) {
char ch = text0[currpos + 1]; char ch = text0[curr + 1];
if (ch == ',' || ch <= ' ' || ch == '}' || ch == ']' || (flag && ch == ':')) { if (ch == ',' || ch <= ' ' || ch == '}' || ch == ']' || (flag && ch == ':')) {
return null; return null;
} }
final int start = currpos - 3; final int start = curr - 3;
for (; ; ) { for (; ; ) {
if (currpos >= text0.length) { if (curr >= text0.length) {
break; break;
} }
ch = text0[currpos]; ch = text0[curr];
if (ch == ',' || ch <= ' ' || ch == '}' || ch == ']' || (flag && ch == ':')) { if (ch == ',' || ch <= ' ' || ch == '}' || ch == ']' || (flag && ch == ':')) {
break; break;
} }
currpos++; curr++;
} }
if (currpos == start) { if (curr == start) {
throw new ConvertException("expected a string after a key but '" + text0[position] throw new ConvertException("expected a string after a key but '" + text0[position]
+ "' (position = " + position + ") in (" + new String(this.text) + ")"); + "' (position = " + position + ") in " + new String(this.text));
} }
this.position = currpos - 1; this.position = curr - 1;
return new String(text0, start, currpos - start); return new String(text0, start, curr - start);
} else { } else {
return null; return null;
} }
} }
} else { } else {
final int start = currpos; final int start = curr;
for (; ; ) { for (; ; ) {
if (currpos >= text0.length) { if (curr >= text0.length) {
break; break;
} }
char ch = text0[currpos]; char ch = text0[curr];
if (ch == ',' || ch <= ' ' || ch == '}' || ch == ']' || (flag && ch == ':')) { if (ch == ',' || ch <= ' ' || ch == '}' || ch == ']' || (flag && ch == ':')) {
break; break;
} }
currpos++; curr++;
} }
if (currpos == start) { if (curr == start) {
throw new ConvertException("expected a string after a key but '" + text0[position] throw new ConvertException("expected a string after a key but '" + text0[position]
+ "' (position = " + position + ") in (" + new String(this.text) + ")"); + "' (position = " + position + ") in " + new String(this.text));
} }
this.position = currpos - 1; this.position = curr - 1;
return new String(text0, start, currpos - start); return new String(text0, start, curr - start);
} }
this.position = currpos; this.position = curr;
throw new ConvertException("expected a ':' after a key but '" + text0[position] + "' (position = " throw new ConvertException("expected a ':' after a key but '" + text0[position] + "' (position = "
+ position + ") in (" + new String(this.text) + ")"); + position + ") in " + new String(this.text));
} }
final int start = ++currpos; final int start = ++curr;
int end = limit;
CharArray array = null; CharArray array = null;
char c; char c;
for (; ; ) { for (; curr <= end; curr++) {
char ch = text0[currpos]; char ch = text0[curr];
if (ch == expected) { if (ch == expected) {
break; break;
} else if (ch == '\\') { } else if (ch == '\\') {
if (array == null) { if (array == null) {
array = array(); array = array();
array.append(text0, start, currpos - start); array.append(text0, start, curr - start);
} }
c = text0[++currpos]; c = text0[++curr];
switch (c) { switch (c) {
case '"': case '"':
case '\'': case '\'':
@@ -962,9 +963,7 @@ public class JsonReader extends Reader {
break; break;
case 'u': case 'u':
array.append((char) Integer.parseInt( array.append((char) Integer.parseInt(
new String(new char[] { new String(new char[] {text0[++curr], text0[++curr], text0[++curr], text0[++curr]}),
text0[++currpos], text0[++currpos], text0[++currpos], text0[++currpos]
}),
16)); 16));
break; break;
case 't': case 't':
@@ -977,32 +976,31 @@ public class JsonReader extends Reader {
array.append('\f'); array.append('\f');
break; break;
default: default:
this.position = currpos; this.position = curr;
throw new ConvertException("illegal escape(" + c + ") (position = " + this.position + ") in (" throw new ConvertException("illegal escape(" + c + ") (position = " + this.position + ") in "
+ new String(this.text) + ")"); + new String(this.text));
} }
} else if (array != null) { } else if (array != null) {
array.append(ch); array.append(ch);
} }
currpos++;
} }
this.position = currpos; this.position = curr;
return array != null ? array.toStringThenClear() : new String(text0, start, currpos - start); return array != null ? array.toStringThenClear() : new String(text0, start, curr - start);
} }
private String readEscapeValue(final char expected, int start) { private String readEscapeValue(final char expected, int start) {
CharArray array = this.array(); CharArray array = this.array();
final char[] text0 = this.text; final char[] text0 = this.text;
int pos = this.position; int curr = this.position;
array.append(text0, start, pos + 1 - start); array.append(text0, start, curr + 1 - start);
char c; char c;
for (; ; ) { for (; ; ) {
c = text0[++pos]; c = text0[++curr];
if (c == expected) { if (c == expected) {
this.position = pos; this.position = curr;
return array.toStringThenClear(); return array.toStringThenClear();
} else if (c == '\\') { } else if (c == '\\') {
c = text0[++pos]; c = text0[++curr];
switch (c) { switch (c) {
case '"': case '"':
case '\'': case '\'':
@@ -1018,7 +1016,8 @@ public class JsonReader extends Reader {
break; break;
case 'u': case 'u':
array.append((char) Integer.parseInt( array.append((char) Integer.parseInt(
new String(new char[] {text0[++pos], text0[++pos], text0[++pos], text0[++pos]}), 16)); new String(new char[] {text0[++curr], text0[++curr], text0[++curr], text0[++curr]}),
16));
break; break;
case 't': case 't':
array.append('\t'); array.append('\t');
@@ -1030,9 +1029,9 @@ public class JsonReader extends Reader {
array.append('\f'); array.append('\f');
break; break;
default: default:
this.position = pos; this.position = curr;
throw new ConvertException("illegal escape(" + c + ") (position = " + this.position + ") in (" throw new ConvertException("illegal escape(" + c + ") (position = " + this.position + ") in "
+ new String(this.text) + ")"); + new String(this.text));
} }
} else { } else {
array.append(c); array.append(c);