Import sources from 2011-03-30 iso image

1 files changed, 182 insertions, 0 deletions

diff --git a/sys/src/cmd/aux/antiword/text.c b/sys/src/cmd/aux/antiword/text.c
new file mode 100755
index 000000000..bd3dc9219
--- /dev/null
+++ b/sys/src/cmd/aux/antiword/text.c
@@ -0,0 +1,182 @@
+/*
+ * text.c
+ * Copyright (C) 1999-2004 A.J. van Os; Released under GNU GPL
+ *
+ * Description:
+ * Functions to deal with the Text format
+ *
+ */
+
+#include <string.h>
+#include "antiword.h"
+
+/* The character set */
+static encoding_type	eEncoding = encoding_neutral;
+/* Current vertical position information */
+static long		lYtopCurr = 0;
+/* Local representation of the non-breaking space */
+static UCHAR		ucNbsp = 0;
+
+
+/*
+ * vPrologueTXT - set options and perform the Text initialization
+ */
+void
+vPrologueTXT(diagram_type *pDiag, const options_type *pOptions)
+{
+	fail(pDiag == NULL);
+	fail(pOptions == NULL);
+
+	eEncoding = pOptions->eEncoding;
+	pDiag->lXleft = 0;
+	pDiag->lYtop = 0;
+	lYtopCurr = 0;
+} /* end of vPrologueTXT */
+
+/*
+ * vEpilogueTXT - clean up after everything is done
+ */
+void
+vEpilogueTXT(FILE *pOutFile)
+{
+	fail(pOutFile == NULL);
+
+	fprintf(pOutFile, "\n");
+} /* end of vEpilogueTXT */
+
+/*
+ * vPrintTXT - print a Text string
+ */
+static void
+vPrintTXT(FILE *pFile, const char *szString, size_t tStringLength)
+{
+	const UCHAR	*ucBytes;
+	size_t		tCount;
+
+	fail(szString == NULL);
+
+	if (szString == NULL || szString[0] == '\0' || tStringLength == 0) {
+		return;
+	}
+
+	if (eEncoding == encoding_utf_8) {
+		fprintf(pFile, "%.*s", (int)tStringLength, szString);
+		return;
+	}
+
+	if (ucNbsp == 0) {
+		ucNbsp = ucGetNbspCharacter();
+		DBG_HEX_C(ucNbsp != 0xa0, ucNbsp);
+	}
+
+	ucBytes = (UCHAR *)szString;
+	for (tCount = 0; tCount < tStringLength ; tCount++) {
+		if (ucBytes[tCount] == ucNbsp) {
+			(void)putc(' ', pFile);
+		} else {
+			(void)putc(szString[tCount], pFile);
+		}
+	}
+} /* end of vPrintTXT */
+
+/*
+ * vMoveTo - move to the given X,Y coordinates
+ *
+ * Move the current position of the given diagram to its X,Y coordinates,
+ * start on a new page if needed
+ */
+static void
+vMoveTo(diagram_type *pDiag)
+{
+	int	iCount, iNbr;
+
+	fail(pDiag == NULL);
+	fail(pDiag->pOutFile == NULL);
+
+	if (pDiag->lYtop != lYtopCurr) {
+		iNbr = iDrawUnits2Char(pDiag->lXleft);
+		for (iCount = 0; iCount < iNbr; iCount++) {
+			(void)putc(FILLER_CHAR, pDiag->pOutFile);
+		}
+		lYtopCurr = pDiag->lYtop;
+	}
+} /* end of vMoveTo */
+
+/*
+ * vMove2NextLineTXT - move to the next line
+ */
+void
+vMove2NextLineTXT(diagram_type *pDiag)
+{
+	fail(pDiag == NULL);
+	fail(pDiag->pOutFile == NULL);
+
+	pDiag->lYtop++;
+	(void)fprintf(pDiag->pOutFile, "\n");
+} /* end of vMove2NextLineTXT */
+
+/*
+ * vSubstringTXT - print a sub string
+ */
+void
+vSubstringTXT(diagram_type *pDiag,
+	const char *szString, size_t tStringLength, long lStringWidth)
+{
+	fail(pDiag == NULL || szString == NULL);
+	fail(pDiag->pOutFile == NULL);
+	fail(pDiag->lXleft < 0);
+	fail(tStringLength != strlen(szString));
+
+	if (szString[0] == '\0' || tStringLength == 0) {
+		return;
+	}
+
+	vMoveTo(pDiag);
+	vPrintTXT(pDiag->pOutFile, szString, tStringLength);
+	pDiag->lXleft += lStringWidth;
+} /* end of vSubstringTXT */
+
+/*
+ * Create an start of paragraph by moving the y-top mark
+ */
+void
+vStartOfParagraphTXT(diagram_type *pDiag, long lBeforeIndentation)
+{
+	fail(pDiag == NULL);
+	fail(lBeforeIndentation < 0);
+
+	if (lBeforeIndentation >= lTwips2MilliPoints(HEADING_GAP)) {
+		/* A large gap is replaced by an empty line */
+		vMove2NextLineTXT(pDiag);
+	}
+} /* end of vStartOfParagraphTXT */
+
+/*
+ * Create an end of paragraph by moving the y-top mark
+ */
+void
+vEndOfParagraphTXT(diagram_type *pDiag, long lAfterIndentation)
+{
+	fail(pDiag == NULL);
+	fail(pDiag->pOutFile == NULL);
+	fail(lAfterIndentation < 0);
+
+	if (pDiag->lXleft > 0) {
+		/* To the start of the line */
+		vMove2NextLineTXT(pDiag);
+	}
+
+	if (lAfterIndentation >= lTwips2MilliPoints(HEADING_GAP)) {
+		/* A large gap is replaced by an empty line */
+		vMove2NextLineTXT(pDiag);
+	}
+} /* end of vEndOfParagraphTXT */
+
+/*
+ * Create an end of page
+ */
+void
+vEndOfPageTXT(diagram_type *pDiag, long lAfterIndentation)
+{
+	vEndOfParagraphTXT(pDiag, lAfterIndentation);
+} /* end of vEndOfPageTXT */