--- /dev/null
+/*
+BobToolz plugin for GtkRadiant
+Copyright (C) 2001 Gordon Biggans
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include "ScriptParser.h"
+#include <string.h>
+
+CScriptParser::CScriptParser(void):
+ m_pScript(NULL),
+ m_pScriptSection(NULL),
+ m_pLastScriptSection(NULL),
+ m_pToken(NULL) {
+ ClearBuffer();
+}
+
+CScriptParser::~CScriptParser(void) {
+ ClearBuffer();
+}
+
+void CScriptParser::ClearBuffer(void) {
+ if(m_pScript) {
+ delete[] m_pScript;
+ m_pScript = NULL;
+ }
+ if(m_pToken) {
+ delete[] m_pToken;
+ m_pToken = NULL;
+ }
+ m_pScriptSection = NULL;
+ m_pLastScriptSection = NULL;
+ memset(m_breakChars, 0, sizeof(m_breakChars));
+}
+
+const char* CScriptParser::MakeToken(const char* pToken) {
+ if(m_pToken) {
+ delete[] m_pToken;
+ m_pToken = NULL;
+ }
+
+ if(!pToken) {
+ pToken = "";
+ }
+
+ int len = static_cast<int>(strlen(pToken));
+
+ m_pToken = new char[len + 1];
+ m_pToken[len] = '\0';
+ strcpy(m_pToken, pToken);
+
+ return m_pToken;
+}
+
+#define MAX_TOKEN_STRING 1024
+// Should NEVER return NULL
+const char* CScriptParser::GetToken(bool bAllowLinebreaks) {
+ int c = 0, len;
+ char token[MAX_TOKEN_STRING];
+ bool bNewLines = false;
+
+ m_pLastScriptSection = m_pScriptSection;
+
+ len = 0;
+ *token = '\0';
+
+ if(!m_pScript || !m_pScriptSection) {
+ return MakeToken(token);
+ }
+
+ while ( true ) {
+ SkipWhitespace( &bNewLines );
+ if ( !*m_pScriptSection ) {
+ return MakeToken(token);
+ }
+ if ( bNewLines && !bAllowLinebreaks ) {
+ return MakeToken(token);
+ }
+
+ c = *m_pScriptSection;
+
+ if ( c == '/' && m_pScriptSection[1] == '/' ) { // C style comments
+ m_pScriptSection += 2;
+ while (*m_pScriptSection && *m_pScriptSection != '\n') {
+ m_pScriptSection++;
+ }
+ } else if ( c=='/' && m_pScriptSection[1] == '*' ) { // C++ style comments
+ m_pScriptSection += 2;
+ while ( *m_pScriptSection && ( *m_pScriptSection != '*' || m_pScriptSection[1] != '/' ) ) {
+ m_pScriptSection++;
+ }
+ if ( *m_pScriptSection ) {
+ m_pScriptSection += 2;
+ }
+ } else {
+ break;
+ }
+ }
+
+ if (c == '\"') {
+ m_pScriptSection++;
+ while ( true ) {
+ c = *m_pScriptSection++;
+ if (c=='\"' || !c) {
+ token[len] = 0;
+ return MakeToken(token);
+ }
+ if (len < MAX_TOKEN_STRING) {
+ token[len] = c;
+ len++;
+ }
+ }
+ }
+
+ do {
+ if(len > 0 && IsBreakChar(*m_pScriptSection)) {
+ break;
+ }
+
+ if (len < MAX_TOKEN_STRING) {
+ token[len] = c;
+ len++;
+ }
+ m_pScriptSection++;
+
+ if(IsBreakChar(c)) {
+ break;
+ }
+
+ c = *m_pScriptSection;
+ } while (c > 32);
+
+ if (len == MAX_TOKEN_STRING) {
+ len = 0;
+ }
+ token[len] = 0;
+
+ return MakeToken(token);
+}
+
+void CScriptParser::SkipWhitespace(bool* pbNewLines) {
+ int c;
+
+ if(!m_pScript || !m_pScriptSection) {
+ return;
+ }
+
+ while( (c = *m_pScriptSection) <= ' ') {
+ if( !c ) {
+ return;
+ }
+ if( c == '\n' ) {
+ *pbNewLines = true;
+ }
+ m_pScriptSection++;
+ }
+}
+
+void CScriptParser::SkipBracedSection(void) {
+ const char *token;
+ int depth;
+
+ depth = 0;
+ do {
+ token = GetToken( true );
+ if( token[1] == 0 ) {
+ if( *token == '{' ) {
+ depth++;
+ } else if( *token == '}' ) {
+ depth--;
+ }
+ }
+ } while( depth && *m_pScriptSection );
+}
+
+void CScriptParser::SkipRestOfLine(void) {
+ char *p;
+ int c;
+
+ p = m_pScriptSection;
+ while ( (c = *p++) != 0 ) {
+ if ( c == '\n' ) {
+ break;
+ }
+ }
+ m_pScriptSection = p;
+}
+
+void CScriptParser::UndoGetToken(void) {
+ if(!m_pLastScriptSection) {
+ return;
+ }
+ m_pScriptSection = m_pLastScriptSection;
+ m_pLastScriptSection = NULL;
+}
+
+void CScriptParser::ResetParseSession(void) {
+ if(!m_pScript) {
+ return;
+ }
+
+ m_pScriptSection = m_pScript;
+ m_pLastScriptSection = NULL;
+}
+
+char* CScriptParser::GetBufferCopy(void) {
+ if(!m_pScript) {
+ return NULL;
+ }
+
+ int len = static_cast<int>(strlen(m_pScript));
+ char* pBuffer = new char[len + 1];
+ strcpy(pBuffer, m_pScript);
+ return pBuffer;
+}
+
+int CScriptParser::GetTokenOffset(void) {
+ if(!m_pScript || !m_pScriptSection) {
+ return 0;
+ }
+
+ return static_cast<int>(m_pScriptSection - m_pScript);
+}
+
+void CScriptParser::LoadScript(const char* pScript) {
+ ClearBuffer();
+
+ int len = static_cast<int>(strlen(pScript));
+ if(len <= 0) {
+ return;
+ }
+
+ m_pScript = new char[len + 1];
+ m_pScript[len] = '\0';
+
+ strcpy(m_pScript, pScript);
+ m_pScriptSection = m_pScript;
+}
+
+void CScriptParser::AddBreakChar(char c) {
+ for(int i = 0; i < SP_MAX_BREAKCHARS; i++) {
+ if(!m_breakChars[i]) {
+ m_breakChars[i] = c;
+ return;
+ }
+ }
+
+ // TODO: Error: max break chars hit
+}
+
+bool CScriptParser::IsBreakChar(char c) {
+ for(int i = 0; i < SP_MAX_BREAKCHARS; i++) {
+ if(!m_breakChars[i]) {
+ return false;
+ }
+ if(m_breakChars[i] == c) {
+ return true;
+ }
+ }
+ return false;
+}
+
+void CScriptParser::SetScript(char* pScript) {
+ ClearBuffer();
+
+ int len = static_cast<int>(strlen(pScript));
+ if(len <= 0) {
+ return;
+ }
+
+ m_pScript = pScript;
+ m_pScriptSection = m_pScript;
+}