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-rw-r--r--app/bin/helphelper.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/app/bin/helphelper.c b/app/bin/helphelper.c
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+/** \file helphelper.c
+ * use OSX Help system
+ */
+
+/* XTrkCad - Model Railroad CAD
+ * Copyright (C) 2015 Martin Fischer
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#import <CoreFoundation/CoreFoundation.h>
+#import <Carbon/Carbon.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <dirent.h>
+#include <sys/time.h>
+#include <signal.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+
+#include <stdint.h>
+
+#define HELPCOMMANDPIPE "/tmp/helppipe"
+#define EXITCOMMAND "##exit##"
+
+
+OSStatus MyGoToHelpPage (CFStringRef pagePath, CFStringRef anchorName)
+{
+ CFBundleRef myApplicationBundle = NULL;
+ CFStringRef myBookName = NULL;
+ OSStatus err = noErr;
+ printf("HelpHelper: Started to look for help\n");
+
+ myApplicationBundle = CFBundleGetMainBundle();
+ if (myApplicationBundle == NULL) {
+ printf("HelpHelper: Error - No Application Bundle\n");
+ err = fnfErr;
+ return err;
+ }
+ printf("HelpHelper: Application Bundle Found\n");
+
+ myBookName = CFBundleGetValueForInfoDictionaryKey(
+ myApplicationBundle,
+ CFSTR("CFBundleHelpBookName"));
+ if (myBookName == NULL) {
+ myBookName = CFStringCreateWithCString(NULL, "XTrackCAD Help", kCFStringEncodingMacRoman);
+ printf("HelpHelper: Defaulting to 'XTrackCAD Help'\n" );
+ err = fnfErr;
+ return err;
+ }
+ printf("HelpHelper: BookName dictionary name %s found\n",CFStringGetCStringPtr(myBookName, kCFStringEncodingMacRoman));
+
+ if (CFGetTypeID(myBookName) != CFStringGetTypeID()) {
+ printf("HelpHelper: Error - BookName is not a string\n" );
+ err = paramErr;
+ }
+
+ if (err == noErr) {
+ err = AHGotoPage (myBookName, pagePath, anchorName);
+ if (err != noErr) {
+ printf("HelpHelper: Error in AHGoToPage('%s','%s')\n",CFStringGetCStringPtr(myBookName, kCFStringEncodingMacRoman), CFStringGetCStringPtr(pagePath, kCFStringEncodingMacRoman));
+ }
+ }
+
+ return err;
+
+};
+
+int displayHelp(char* name) {
+ CFStringRef str = CFStringCreateWithCString(NULL,name,kCFStringEncodingMacRoman);
+ OSStatus err = MyGoToHelpPage(str, NULL);
+ if (err != noErr) printf("HelpHelper: MyGoToHelpPage had error %d\n", err);
+ return err;
+
+};
+
+int
+main( int argc, char **argv )
+{
+ int handleOfPipe = 0;
+ char buffer[ 100 ];
+ char issue[ 100 ];
+
+ int len;
+ int finished = 0;
+ int numBytes = 0;
+ int numBytes2 = 0;
+
+ printf( "HelpHelper: starting!\n" );
+
+ handleOfPipe = open( HELPCOMMANDPIPE, O_RDONLY );
+ if( handleOfPipe ) {
+ printf( "HelpHelper: opened pipe for reading\n" );
+ while( !finished ) {
+ printf( "HelpHelper: reading from pipe...\n" );
+ numBytes = read( handleOfPipe, &len, sizeof( int ));
+
+ if( numBytes > 0 )
+ printf( "HelpHelper: read %d bytes\n", numBytes );
+ if( numBytes == sizeof(int)) {
+ printf( "HelpHelper: Expecting %d bytes\n", len );
+ numBytes2 = read( handleOfPipe, buffer, len + 1 );
+ if (numBytes2 > 0)
+ printf( "HelpHelper: Display help on: %s\n", buffer );
+
+ if( !strcmp(buffer, EXITCOMMAND )) {
+ finished = 1;
+ } else {
+ if (displayHelp(buffer) != 0)
+ printf( "HelpHelper: Error\n");
+ }
+ }
+ if( numBytes <= 0 ) {
+ printf( "HelpHelper: exiting on pipe error\n" );
+ exit( 1 );
+ }
+ }
+ } else {
+ printf( "HelpHelper: Could not open pipe for reading\n" );
+ }
+
+ printf( "HelpHelper: exiting!" );
+
+ exit( 0 );
+};
+
+
+
+