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聽聽聽聽聽聽 鏌ヨXML瑙勮寖(http://www.w3.org/TR/2004/REC-xml-20040204)錛屽緱鐭ワ細(xì)XML鏀寔鐨勫瓧絎﹁寖鍥達(dá)細(xì)
Character Range
[2]聽聽聽 |
Char |
聽聽聽::=聽聽聽 |
#x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF] |
/* any Unicode character, excluding the surrogate blocks, FFFE, and FFFF. */ |
聽
聽
浠庡瓧絎︿覆涓嫻?/SPAN>XML涓嶆敮鎸佺殑瀛楃鐨?/SPAN>Java浠g爜錛?BR>
聽聽1
public聽static聽int聽checkCharacterData(String聽text)
{
聽聽2
聽聽3
聽聽聽聽聽聽聽聽int聽errorChar=0;
聽聽4
聽聽5
聽聽聽聽聽聽聽聽if聽(text聽==聽null)聽
{
聽聽6
聽聽7
聽聽聽聽聽聽聽聽聽聽聽聽return聽errorChar;
聽聽8
聽聽9
聽聽聽聽聽聽聽聽}
聽10
聽11
聽聽聽聽聽聽聽聽//聽do聽check
聽12
聽13
聽聽聽聽聽聽聽聽char[]聽data聽=聽text.toCharArray();
聽14
聽15
聽聽聽聽聽聽聽聽for聽(int聽i聽=聽0,聽len聽=聽data.length;聽i聽<聽len;聽i++)聽
{
聽16
聽17
聽聽聽聽聽聽聽聽聽聽聽聽char聽c聽=聽data[i];
聽18
聽19
聽聽聽聽聽聽聽聽聽聽聽聽int聽result聽=聽c;
聽20
聽21
聽聽聽聽聽聽聽聽聽聽聽聽//聽high聽surrogate
聽22
聽23
聽聽聽聽聽聽聽聽聽聽聽聽if聽(result聽>=聽0xD800聽&&聽result聽<=聽0xDBFF)聽
{
聽24
聽25
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽//聽Decode聽surrogate聽pair
聽26
聽27
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽int聽high聽=聽c;
聽28
聽29
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽try聽
{
聽30
聽31
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽int聽low聽=聽text.charAt(i+1);
聽32
聽33
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽if聽(low聽<聽0xDC00聽||聽low聽>聽0xDFFF)聽
{
聽34
聽35
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽char聽ch=(char)low;
聽36
聽37
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽//System.err.println(ch);
聽38
聽39
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽}
聽40
聽41
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽//聽Algorithm聽defined聽in聽Unicode聽spec
聽42
聽43
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽result聽=聽(high-0xD800)*0x400聽+聽(low-0xDC00)聽+聽0x10000;
聽44
聽45
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽i++;
聽46
聽47
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽}
聽48
聽49
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽catch聽(IndexOutOfBoundsException聽e)聽
{
聽50
聽51
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽e.printStackTrace();
聽52
聽53
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽}
聽54
聽55
聽聽聽聽聽聽聽聽聽聽聽聽}
聽56
聽57
聽
聽58
聽59
聽聽聽聽聽聽聽聽聽聽聽聽if聽(!isXMLCharacter(result))聽
{
聽60
聽61
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽//聽Likely聽this聽character聽can't聽be聽easily聽displayed
聽62
聽63
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽//聽because聽it's聽a聽control聽so聽we聽use聽its聽hexadecimal
聽64
聽65
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽//聽representation聽in聽the聽reason.
聽66
聽67
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽errorChar++;
聽68
聽69
聽聽聽聽聽聽聽聽聽聽聽聽}聽聽聽聽聽聽
聽70
聽71
聽聽聽聽聽聽聽聽}
聽72
聽73
聽聽聽聽聽聽聽聽//聽If聽we聽got聽here,聽everything聽is聽OK
聽74
聽75
聽聽聽聽聽聽聽聽return聽errorChar;
聽76
聽77
聽聽聽聽}
聽78
聽79
聽
聽80
聽81
聽聽聽聽
聽82
聽83
聽聽聽聽private聽static聽boolean聽isXMLCharacter(int聽c)聽
{
聽84
聽85
聽聽聽聽聽聽聽聽聽if聽(c聽<=聽0xD7FF)聽聽
{
聽86
聽87
聽聽聽聽聽聽聽聽聽聽聽聽聽if聽(c聽>=聽0x20)聽return聽true;
聽88
聽89
聽聽聽聽聽聽聽聽聽聽聽聽聽else聽
{
聽90
聽91
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽if聽(c聽==聽'\n')聽return聽true;
聽92
聽93
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽if聽(c聽==聽'\r')聽return聽true;
聽94
聽95
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽if聽(c聽==聽'\t')聽return聽true;
聽96
聽97
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽return聽false;
聽98
聽99
聽聽聽聽聽聽聽聽聽聽聽聽聽}
100
101
聽聽聽聽聽聽聽聽聽}
102
103
聽
104
105
聽聽聽聽聽聽聽聽聽if聽(c聽<聽0xE000)聽return聽false;聽聽if聽(c聽<=聽0xFFFD)聽return聽true;
106
107
聽聽聽聽聽聽聽聽聽if聽(c聽<聽0x10000)聽return聽false;聽聽if聽(c聽<=聽0x10FFFF)聽return聽true;
108
109
聽聽聽聽聽聽聽
110
111
聽聽聽聽聽聽聽聽聽return聽false;
112
113
聽聽聽聽}
114

]]>
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