X-Git-Url: http://secure.phpeclipse.com
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/tidy/StreamInImpl.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/tidy/StreamInImpl.java
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+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/tidy/StreamInImpl.java
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+/*
+ * @(#)StreamInImpl.java 1.11 2000/08/16
+ *
+ */
+
+package net.sourceforge.phpdt.tidy;
+
+/**
+ *
+ * Input Stream Implementation
+ *
+ * (c) 1998-2000 (W3C) MIT, INRIA, Keio University
+ * Derived from
+ * HTML Tidy Release 4 Aug 2000
+ *
+ * @author Dave Raggett
+ * @author Andy Quick (translation to Java)
+ * @version 1.0, 1999/05/22
+ * @version 1.0.1, 1999/05/29
+ * @version 1.1, 1999/06/18 Java Bean
+ * @version 1.2, 1999/07/10 Tidy Release 7 Jul 1999
+ * @version 1.3, 1999/07/30 Tidy Release 26 Jul 1999
+ * @version 1.4, 1999/09/04 DOM support
+ * @version 1.5, 1999/10/23 Tidy Release 27 Sep 1999
+ * @version 1.6, 1999/11/01 Tidy Release 22 Oct 1999
+ * @version 1.7, 1999/12/06 Tidy Release 30 Nov 1999
+ * @version 1.8, 2000/01/22 Tidy Release 13 Jan 2000
+ * @version 1.9, 2000/06/03 Tidy Release 30 Apr 2000
+ * @version 1.10, 2000/07/22 Tidy Release 8 Jul 2000
+ * @version 1.11, 2000/08/16 Tidy Release 4 Aug 2000
+ */
+
+import java.io.InputStream;
+import java.io.IOException;
+
+public class StreamInImpl extends StreamIn {
+
+ /* Mapping for Windows Western character set (128-159) to Unicode */
+ private static int[] Win2Unicode =
+ {
+ 0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+ 0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x0000, 0x017D, 0x0000,
+ 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+ 0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x0000, 0x017E, 0x0178
+ };
+
+ /*
+ John Love-Jensen contributed this table for mapping MacRoman
+ character set to Unicode
+ */
+
+ private static int[] Mac2Unicode =
+ {
+
+ 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
+ 0x0008, 0x0009, 0x000A, 0x000B, 0x000C, 0x000D, 0x000E, 0x000F,
+
+ 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
+ 0x0018, 0x0019, 0x001A, 0x001B, 0x001C, 0x001D, 0x001E, 0x001F,
+
+ 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
+ 0x0028, 0x0029, 0x002A, 0x002B, 0x002C, 0x002D, 0x002E, 0x002F,
+
+ 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
+ 0x0038, 0x0039, 0x003A, 0x003B, 0x003C, 0x003D, 0x003E, 0x003F,
+
+ 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
+ 0x0048, 0x0049, 0x004A, 0x004B, 0x004C, 0x004D, 0x004E, 0x004F,
+
+ 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
+ 0x0058, 0x0059, 0x005A, 0x005B, 0x005C, 0x005D, 0x005E, 0x005F,
+
+ 0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067,
+ 0x0068, 0x0069, 0x006A, 0x006B, 0x006C, 0x006D, 0x006E, 0x006F,
+
+ 0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077,
+ 0x0078, 0x0079, 0x007A, 0x007B, 0x007C, 0x007D, 0x007E, 0x007F,
+ /* x7F = DEL */
+ 0x00C4, 0x00C5, 0x00C7, 0x00C9, 0x00D1, 0x00D6, 0x00DC, 0x00E1,
+ 0x00E0, 0x00E2, 0x00E4, 0x00E3, 0x00E5, 0x00E7, 0x00E9, 0x00E8,
+
+ 0x00EA, 0x00EB, 0x00ED, 0x00EC, 0x00EE, 0x00EF, 0x00F1, 0x00F3,
+ 0x00F2, 0x00F4, 0x00F6, 0x00F5, 0x00FA, 0x00F9, 0x00FB, 0x00FC,
+
+ 0x2020, 0x00B0, 0x00A2, 0x00A3, 0x00A7, 0x2022, 0x00B6, 0x00DF,
+ 0x00AE, 0x00A9, 0x2122, 0x00B4, 0x00A8, 0x2260, 0x00C6, 0x00D8,
+
+ 0x221E, 0x00B1, 0x2264, 0x2265, 0x00A5, 0x00B5, 0x2202, 0x2211,
+ 0x220F, 0x03C0, 0x222B, 0x00AA, 0x00BA, 0x03A9, 0x00E6, 0x00F8,
+
+ 0x00BF, 0x00A1, 0x00AC, 0x221A, 0x0192, 0x2248, 0x2206, 0x00AB,
+ 0x00BB, 0x2026, 0x00A0, 0x00C0, 0x00C3, 0x00D5, 0x0152, 0x0153,
+
+ 0x2013, 0x2014, 0x201C, 0x201D, 0x2018, 0x2019, 0x00F7, 0x25CA,
+ 0x00FF, 0x0178, 0x2044, 0x20AC, 0x2039, 0x203A, 0xFB01, 0xFB02,
+
+ 0x2021, 0x00B7, 0x201A, 0x201E, 0x2030, 0x00C2, 0x00CA, 0x00C1,
+ 0x00CB, 0x00C8, 0x00CD, 0x00CE, 0x00CF, 0x00CC, 0x00D3, 0x00D4,
+ /* xF0 = Apple Logo */
+ 0xF8FF, 0x00D2, 0x00DA, 0x00DB, 0x00D9, 0x0131, 0x02C6, 0x02DC,
+ 0x00AF, 0x02D8, 0x02D9, 0x02DA, 0x00B8, 0x02DD, 0x02DB, 0x02C7
+ };
+
+ public StreamInImpl(InputStream stream, int encoding, int tabsize)
+ {
+ this.stream = stream;
+ this.pushed = false;
+ this.c = (int)'\0';
+ this.tabs = 0;
+ this.tabsize = tabsize;
+ this.curline = 1;
+ this.curcol = 1;
+ this.encoding = encoding;
+ this.state = FSM_ASCII;
+ this.endOfStream = false;
+ }
+
+ /* read char from stream */
+ public int readCharFromStream()
+ {
+ int n, c, i, count;
+
+ try {
+ c = this.stream.read();
+
+ if (c == EndOfStream) {
+ this.endOfStream = true;
+ return c;
+ }
+
+ /*
+ A document in ISO-2022 based encoding uses some ESC sequences
+ called "designator" to switch character sets. The designators
+ defined and used in ISO-2022-JP are:
+
+ "ESC" + "(" + ? for ISO646 variants
+
+ "ESC" + "$" + ? and
+ "ESC" + "$" + "(" + ? for multibyte character sets
+
+ Where ? stands for a single character used to indicate the
+ character set for multibyte characters.
+
+ Tidy handles this by preserving the escape sequence and
+ setting the top bit of each byte for non-ascii chars. This
+ bit is then cleared on output. The input stream keeps track
+ of the state to determine when to set/clear the bit.
+ */
+
+ if (this.encoding == Configuration.ISO2022)
+ {
+ if (c == 0x1b) /* ESC */
+ {
+ this.state = FSM_ESC;
+ return c;
+ }
+
+ switch (this.state)
+ {
+ case FSM_ESC:
+ if (c == '$')
+ this.state = FSM_ESCD;
+ else if (c == '(')
+ this.state = FSM_ESCP;
+ else
+ this.state = FSM_ASCII;
+ break;
+
+ case FSM_ESCD:
+ if (c == '(')
+ this.state = FSM_ESCDP;
+ else
+ this.state = FSM_NONASCII;
+ break;
+
+ case FSM_ESCDP:
+ this.state = FSM_NONASCII;
+ break;
+
+ case FSM_ESCP:
+ this.state = FSM_ASCII;
+ break;
+
+ case FSM_NONASCII:
+ c |= 0x80;
+ break;
+ }
+
+ return c;
+ }
+
+ if (this.encoding != Configuration.UTF8)
+ return c;
+
+ /* deal with UTF-8 encoded char */
+
+ if ((c & 0xE0) == 0xC0) /* 110X XXXX two bytes */
+ {
+ n = c & 31;
+ count = 1;
+ }
+ else if ((c & 0xF0) == 0xE0) /* 1110 XXXX three bytes */
+ {
+ n = c & 15;
+ count = 2;
+ }
+ else if ((c & 0xF8) == 0xF0) /* 1111 0XXX four bytes */
+ {
+ n = c & 7;
+ count = 3;
+ }
+ else if ((c & 0xFC) == 0xF8) /* 1111 10XX five bytes */
+ {
+ n = c & 3;
+ count = 4;
+ }
+ else if ((c & 0xFE) == 0xFC) /* 1111 110X six bytes */
+ {
+ n = c & 1;
+ count = 5;
+ }
+ else /* 0XXX XXXX one byte */
+ return c;
+
+ /* successor bytes should have the form 10XX XXXX */
+ for (i = 1; i <= count; ++i)
+ {
+ c = this.stream.read();
+
+ if (c == EndOfStream) {
+ this.endOfStream = true;
+ return c;
+ }
+
+ n = (n << 6) | (c & 0x3F);
+ }
+ }
+ catch (IOException e) {
+ System.err.println("StreamInImpl.readCharFromStream: " + e.toString());
+ n = EndOfStream;
+ }
+
+ return n;
+ }
+
+ public int readChar()
+ {
+ int c;
+
+ if (this.pushed)
+ {
+ this.pushed = false;
+ c = this.c;
+
+ if (c == '\n')
+ {
+ this.curcol = 1;
+ this.curline++;
+ return c;
+ }
+
+ this.curcol++;
+ return c;
+ }
+
+ this.lastcol = this.curcol;
+
+ if (this.tabs > 0)
+ {
+ this.curcol++;
+ this.tabs--;
+ return ' ';
+ }
+
+ for (;;)
+ {
+ c = readCharFromStream();
+
+ if (c < 0)
+ return EndOfStream;
+
+ if (c == '\n')
+ {
+ this.curcol = 1;
+ this.curline++;
+ break;
+ }
+
+ if (c == '\r')
+ {
+ c = readCharFromStream();
+ if (c != '\n')
+ {
+ ungetChar(c);
+ c = '\n';
+ }
+ this.curcol = 1;
+ this.curline++;
+ break;
+ }
+
+ if (c == '\t')
+ {
+ this.tabs = this.tabsize - ((this.curcol - 1) % this.tabsize) - 1;
+ this.curcol++;
+ c = ' ';
+ break;
+ }
+
+ /* strip control characters, except for Esc */
+
+ if (c == '\033')
+ break;
+
+ if (0 < c && c < 32)
+ continue;
+
+ /* watch out for IS02022 */
+
+ if (this.encoding == Configuration.RAW ||
+ this.encoding == Configuration.ISO2022)
+ {
+ this.curcol++;
+ break;
+ }
+
+ if (this.encoding == Configuration.MACROMAN)
+ c = Mac2Unicode[c];
+
+ /* produced e.g. as a side-effect of smart quotes in Word */
+
+ if (127 < c && c < 160)
+ {
+ Report.encodingError((Lexer)this.lexer, Report.WINDOWS_CHARS, c);
+
+ c = Win2Unicode[c - 128];
+
+ if (c == 0)
+ continue;
+ }
+
+ this.curcol++;
+ break;
+ }
+
+ return c;
+ }
+
+ public void ungetChar(int c)
+ {
+ this.pushed = true;
+ this.c = c;
+
+ if (c == '\n')
+ {
+ --this.curline;
+ }
+
+ this.curcol = this.lastcol;
+ }
+
+ public boolean isEndOfStream()
+ {
+ return this.endOfStream;
+ }
+
+}