initial importHEADmain

1 files changed, 84 insertions, 0 deletions

diff --git a/tool_src/QvLib/QvSFBitMask.cpp b/tool_src/QvLib/QvSFBitMask.cpp
new file mode 100644
index 0000000..d4c89df
--- /dev/null
+++ b/tool_src/QvLib/QvSFBitMask.cpp
@@ -0,0 +1,84 @@
+#include <QvDebugError.h>
+#include <QvReadError.h>
+#include <QvSFBitMask.h>
+
+// Special characters when reading or writing value in ASCII
+#define OPEN_PAREN	'('
+#define CLOSE_PAREN	')'
+#define BITWISE_OR	'|'
+
+QV_SFIELD_SOURCE(QvSFBitMask);
+
+QvBool
+QvSFBitMask::readValue(QvInput *in)
+{
+    char	c;
+    QvName	n;
+    int		v;
+
+#ifdef DEBUG
+    if (enumValues == NULL) {
+	QvDebugError::post("QvSFBitMask::readValue",
+			   "Enum values were never initialized");
+	QvReadError::post(in, "Couldn't read QvSFBitMask values");
+	return FALSE;
+    }
+#endif /* DEBUG */
+
+    value = 0;
+
+    // Read first character
+    if (! in->read(c))
+	return FALSE;
+
+    // Check for parenthesized list of bitwise-or'ed flags
+    if (c == OPEN_PAREN) {
+
+	// Read names separated by BITWISE_OR
+	while (TRUE) {
+	    if (in->read(n, TRUE) && ! (! n) ) {
+
+		if (findEnumValue(n, v))
+		    value |= v;
+
+		else {
+		    QvReadError::post(in, "Unknown QvSFBitMask bit "
+				      "mask value \"%s\"", n.getString());
+		    return FALSE;
+		}
+	    }
+
+	    if (! in->read(c)) {
+		QvReadError::post(in, "EOF reached before '%c' "
+				  "in QvSFBitMask value", CLOSE_PAREN);
+		return FALSE;
+	    }
+
+	    if (c == CLOSE_PAREN)
+		break;
+
+	    else if (c != BITWISE_OR) {
+		QvReadError::post(in, "Expected '%c' or '%c', got '%c' ",
+				  "in QvSFBitMask value",
+				  BITWISE_OR, CLOSE_PAREN, c);
+		return FALSE;
+	    }
+	}
+    }
+
+    else {
+	in->putBack(c);
+
+	// Read mnemonic value as a character string identifier
+	if (! in->read(n, TRUE))
+	    return FALSE;
+
+	if (! findEnumValue(n, value)) {
+	    QvReadError::post(in, "Unknown QvSFBitMask bit "
+			      "mask value \"%s\"", n.getString());
+	    return FALSE;
+	}
+    }
+
+    return TRUE;
+}