Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 236 insertions, 0 deletions

diff --git a/KaplaDemo/samples/sampleViewer3/FileScanner.cpp b/KaplaDemo/samples/sampleViewer3/FileScanner.cpp
new file mode 100644
index 00000000..a2dc6019
--- /dev/null
+++ b/KaplaDemo/samples/sampleViewer3/FileScanner.cpp
@@ -0,0 +1,236 @@
+#include <string.h>
+#include <float.h>
+#include "FileScanner.h"
+
+#pragma warning(disable : 4996)		//deprecated warnings for string ops not necessary
+#define _CRT_SECURE_NO_DEPRECATE
+
+#define EOL 10
+
+// ------------------------------------------------------------------------------------
+FileScanner::FileScanner()
+// ------------------------------------------------------------------------------------
+{
+	f = NULL; 
+	lineNr = 0; 
+	pos = line; 
+	strcpy(errorMessage, "");
+}
+
+// ------------------------------------------------------------------------------------
+FileScanner::~FileScanner()
+// ------------------------------------------------------------------------------------
+{
+	if (f) 
+		fclose(f);
+}
+
+// ------------------------------------------------------------------------------------
+bool FileScanner::equalSymbol(const char *sym, const char *expectedSym, bool caseSensitive)
+// ------------------------------------------------------------------------------------
+{
+	if (caseSensitive) 
+		return strcmp(expectedSym, sym) == 0;
+	else
+#if defined(__BCPLUSPLUS__)
+		return strcmpi(expectedSym, sym) == 0;
+#elif defined(__WXMAC__)
+		return strcasecmp(expectedSym, sym) == 0;
+#else
+		return _stricmp(expectedSym, sym) == 0;
+#endif
+}
+
+
+// ------------------------------------------------------------------------------------
+bool FileScanner::open(const char *filename)
+// ------------------------------------------------------------------------------------
+{
+	f = fopen(filename, "rb");
+	if (!f) {
+		strcpy(errorMessage, "file open error");
+		return false;
+	}
+	fgets(line, maxLineLen, f);
+	pos = line;
+	lineNr = 1;
+	return true;
+}
+
+// ------------------------------------------------------------------------------------
+void FileScanner::close()
+// ------------------------------------------------------------------------------------
+{
+	if (f) fclose(f);
+	f = NULL;
+}
+
+// ------------------------------------------------------------------------------------
+void FileScanner::getNextLine()
+// ------------------------------------------------------------------------------------
+{
+	fgets(line, maxLineLen, f);
+	pos = line;
+	lineNr++;
+}
+
+bool singleCharSymbol(char ch)
+{
+	if (ch == '<' || ch == '>') return true;
+	if (ch == '(' || ch == ')') return true;
+	if (ch == '{' || ch == '}') return true;
+	if (ch == '[' || ch == ']') return true;
+	if (ch == '/' || ch == '=') return true;
+	return false;
+}
+
+bool separatorChar(char ch)
+{
+	if ((unsigned char)ch <= ' ') return true;
+	if (ch == ',') return true;
+	if (ch == ';') return true;
+	return false;
+}
+
+// ------------------------------------------------------------------------------------
+void FileScanner::getSymbol(char *sym)
+// ------------------------------------------------------------------------------------
+{
+	while (!feof(f)) {
+		while (!feof(f) && separatorChar(*pos)) {	// separators
+			if (*pos == EOL) 
+				getNextLine();
+			else pos++;
+		}
+		if (!feof(f) && *pos == '/' && *(pos+1) == '/') 	// line comment
+			getNextLine();
+		else if (!feof(f) && *pos == '/' && *(pos+1) == '*') {	// long comment
+			pos += 2;
+			while (!feof(f) && (*pos != '*' || *(pos+1) != '/')) {
+				if (*pos == EOL) 
+					getNextLine();
+				else pos++;
+			}
+			if (!feof(f)) pos += 2;
+		}
+		else break;
+	}
+
+	char *cp = sym;
+	if (*pos == '\"' && !feof(f)) {		// read string 
+		pos++;
+		while (!feof(f) && *pos != '\"' && *pos != EOL) {
+			*cp++ = *pos++;
+		}
+	    if (!feof(f) && *pos == '\"') pos++;	// override <"> 
+	}
+	else {					/* read other symbol */
+		if (!feof(f)) {
+			if (singleCharSymbol(*pos))		// single char symbol
+				*cp++ = *pos++;
+			else {							// multiple char symbol
+				while (!separatorChar(*pos) && !singleCharSymbol(*pos) && !feof(f)) {
+					*cp++ = *pos++;
+				}
+			}
+		}
+	}  
+	*cp = 0;       
+}
+
+
+// ------------------------------------------------------------------------------------
+bool FileScanner::checkSymbol(const char *expectedSym, bool caseSensitive)
+// ------------------------------------------------------------------------------------
+{
+	static char sym[maxLineLen+1];
+	getSymbol(sym);
+
+	if (!equalSymbol(sym, expectedSym, caseSensitive)) {
+		sprintf(errorMessage, "Parse error line %i, position %i: %s expected, %s read\n", 
+			lineNr, (int)(pos - line), expectedSym, sym);
+		return false;
+	}
+	return true;
+}
+
+/* ------------------------------------------------------------------- */
+bool FileScanner::getIntSymbol(int &i)
+/* ------------------------------------------------------------------- */
+{
+	static char sym[maxLineLen+1];
+	getSymbol(sym);
+
+	int n = 0;
+	for (int k = 0; k < (int)strlen(sym); k++) {
+		if ((sym[k] >= '0') && (sym[k] <= '9')) n++;
+		if ((sym[k] == '+') || (sym[k] == '-')) n++;
+	}
+	if (n < (int)strlen(sym)) { 
+		setErrorMessage("integer expected");
+		return false;
+	}
+	sscanf(sym,"%i",&i);
+	return true;
+}
+
+
+/* ------------------------------------------------------------------- */
+bool FileScanner::getFloatSymbol(float &r)
+/* ------------------------------------------------------------------- */
+{
+	static char sym[maxLineLen+1];
+	getSymbol(sym);
+
+#if defined(__BCPLUSPLUS__)
+	if (strcmpi(sym, "infinity") == 0) {
+#elif defined(__WXMAC__)
+  if (strcasecmp(sym, "infinity") == 0) {
+#else
+	if (_stricmp(sym, "infinity") == 0) {
+#endif
+		r = FLT_MAX;
+		return true;
+	}
+#if defined(__BCPLUSPLUS__)
+	if (strcmpi(sym, "-infinity") == 0) {
+#elif defined(__WXMAC__)
+  if (strcasecmp(sym, "-�infinity") == 0) {
+#else
+	if (_stricmp(sym, "-infinity") == 0) {
+#endif
+		r = -FLT_MAX;
+		return true;
+	}
+
+	int n = 0;
+	for (int k = 0; k < (int)strlen(sym); k++) {
+		if ((sym[k] >= '0') && (sym[k] <= '9')) n++;
+		if ((sym[k] == '+') || (sym[k] == '-')) n++;
+		if ((sym[k] == '.') || (sym[k] == 'e')) n++;
+	}
+	if (n < (int)strlen(sym)) {
+		setErrorMessage("float expected");
+		return false;
+	}
+	sscanf(sym,"%f",&r);
+	return true;
+}
+
+/* ------------------------------------------------------------------- */
+bool FileScanner::getBinaryData(void *buffer, int size)
+{
+	size_t num = fread(buffer, 1, size, f);
+	getNextLine();
+	return num == size;
+
+}
+
+/* ------------------------------------------------------------------- */
+void FileScanner::setErrorMessage(char *msg)
+/* ------------------------------------------------------------------- */
+{
+	sprintf(errorMessage, "parse error line %i, position %i: %s", 
+			lineNr, (int)(pos - line), msg);
+}
+