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Arduino/build/windows/launcher/launcher.cpp
2005-08-25 21:06:28 +00:00

265 lines
8.4 KiB
C++

// -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// launcher.cpp : Defines the class behaviors for the application.
//
// The size of all of the strings was made sort of ambiguously large, since
// 1) nothing is hurt by allocating an extra few bytes temporarily and
// 2) if the user has a long path, and it gets copied five times over for the
// classpath, the program runs the risk of crashing. Bad bad.
#define JAVA_ARGS "-Xms128m -Xmx128m "
#define JAVA_MAIN_CLASS "processing.app.Base"
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
int STDCALL
WinMain (HINSTANCE hInst, HINSTANCE hPrev, LPSTR lpCmd, int nShow)
{
// all these malloc statements... things may need to be larger.
// what was passed to this application
char *incoming_cmdline = (char *)malloc(strlen(lpCmd) * sizeof(char));
strcpy (incoming_cmdline, lpCmd);
// what gets put together to pass to jre
char *outgoing_cmdline = (char *)malloc(16384 * sizeof(char));
// prepend the args for -mx and -ms
strcpy(outgoing_cmdline, JAVA_ARGS);
// append the classpath and launcher.Application
char *loaddir = (char *)malloc(MAX_PATH * sizeof(char));
*loaddir = 0;
GetModuleFileName(NULL, loaddir, MAX_PATH);
// remove the application name
*(strrchr(loaddir, '\\')) = '\0';
char *cp = (char *)malloc(8 * strlen(loaddir) + 4096);
// if this code looks shitty, that's because it is. people are
// likely to have the durndest things in their CLASSPATH and QTJAVA
// environment variables. mostly because installers often mangle
// them without the user knowing. so who knows where and when the
// quotes will show up. this is a guess at dealing with the things,
// without spending a whole day to make it overly robust. [fry]
// test to see if running with a java runtime nearby or not
char *testpath = (char *)malloc(MAX_PATH * sizeof(char));
*testpath = 0;
strcpy(testpath, loaddir);
strcat(testpath, "\\java\\bin\\java.exe");
FILE *fp = fopen(testpath, "rb");
int local_jre_installed = (fp != NULL);
//char *rt_jar = (fp == NULL) ? "" : "java\\lib\\rt.jar;";
if (fp != NULL) fclose(fp); // argh! this was probably causing trouble
//MessageBox(NULL, local_jre_installed ?
// "local jre installed" : "couldn't find jre", "p5", MB_OK);
//const char *envClasspath = getenv("CLASSPATH");
char *env_classpath = (char *)malloc(16384 * sizeof(char));
// ignoring CLASSPATH for now, because it's not needed
// and causes more trouble than it's worth [0060]
env_classpath[0] = 0;
/*
// keep this code around since may be re-enabled later
if (getenv("CLASSPATH") != NULL) {
strcpy(env_classpath, getenv("CLASSPATH"));
if (env_classpath[0] == '\"') {
// starting quote in classpath.. yech
env_classpath++; // shitty.. i know..
int len = strlen(env_classpath);
if (env_classpath[len-1] == '\"') {
env_classpath[len-1] = 0;
} else {
// a starting quote but no ending quote.. ugh
// maybe throw an error
}
}
int last = strlen(env_classpath);
env_classpath[last++] = ';';
env_classpath[last] = 0;
} else {
env_classpath[0] = 0;
}
*/
char *qtjava_path = (char *)malloc(16384 * sizeof(char));
qtjava_path[0] = 0;
if (getenv("WINDIR") == NULL) {
// uh-oh.. serious problem.. gonna have to report this
// but hopefully WINDIR is set on win98 too
} else {
strcpy(qtjava_path, getenv("WINDIR"));
strcat(qtjava_path, "\\SYSTEM32\\QTJava.zip");
FILE *fp = fopen(qtjava_path, "rb");
if (fp != NULL) {
fclose(fp); // found it, all set
strcat(qtjava_path, ";"); // add path separator
} else {
strcpy(qtjava_path, getenv("WINDIR"));
strcat(qtjava_path, "\\SYSTEM\\QTJava.zip");
fp = fopen(qtjava_path, "rb");
if (fp != NULL) {
fclose(fp); // found it, all set
strcat(qtjava_path, ";"); // add path separator
} else {
// doesn't seem to be installed, which is a problem.
// but the error will be reported by the pde
qtjava_path[0] = 0;
}
}
}
// NO! put quotes around contents of cp, because %s might have spaces in it.
// don't put quotes in it, because it's setting the environment variable
// for CLASSPATH, not being included on the command line. so setting the
// env var it's ok to have spaces, and the quotes prevent
// javax.comm.properties from being found.
sprintf(cp,
//"\"" // begin quote
//"'"
"%s" // local jre or blank
"%s" // qtjava path
"%s\\lib;"
"%s\\lib\\build;"
"%s\\lib\\pde.jar;"
"%s\\lib\\core.jar;"
"%s\\lib\\mrj.jar;"
"%s\\lib\\oro.jar;"
"%s\\lib\\registry.jar;"
"%s\\lib\\antlr.jar;"
"%s", // original CLASSPATH
//"C:\\WINNT\\system32\\QTJava.zip;" // worthless
//"C:\\WINDOWS\\system32\\QTJava.zip;"
//"\"", // end quote
//"'",
//,
// the first three %s args
//local_jre_installed ? "java\\lib\\rt.jar;java\\lib\\jaws.jar;" : "",
local_jre_installed ? "java\\lib\\rt.jar;" : "",
qtjava_path,
loaddir, loaddir, loaddir, loaddir,
loaddir, loaddir, loaddir, loaddir,
env_classpath);
//MessageBox(NULL, cp, "it's twoo! it's twoo!", MB_OK);
if (!SetEnvironmentVariable("CLASSPATH", cp)) {
MessageBox(NULL, "Could not set CLASSPATH environment variable",
"Processing Error", MB_OK);
return 0;
}
// need to add the local jre to the path for 'java mode' in the env
if (local_jre_installed) {
char *env_path = (char *)malloc(strlen(getenv("PATH")) * sizeof(char));
strcpy(env_path, getenv("PATH"));
char *paf = (char *)malloc((strlen(env_path) + strlen(loaddir) + 32) * sizeof(char));
sprintf(paf, "%s\\java\\bin;%s", loaddir, env_path);
if (!SetEnvironmentVariable("PATH", paf)) {
MessageBox(NULL, "Could not set PATH environment variable",
"Processing Error", MB_OK);
return 0;
}
}
//MessageBox(NULL, cp, "whaadddup", MB_OK);
// add the name of the class to execute and a space before the next arg
strcat(outgoing_cmdline, JAVA_MAIN_CLASS " ");
// append additional incoming stuff (document names), if any
strcat(outgoing_cmdline, incoming_cmdline);
char *executable = (char *)malloc((strlen(loaddir) + 256) * sizeof(char));
// loaddir is the name path to the current application
//if (localJreInstalled) {
if (local_jre_installed) {
strcpy(executable, loaddir);
// copy in the path for javaw, relative to launcher.exe
strcat(executable, "\\java\\bin\\javaw.exe");
} else {
strcpy(executable, "javaw.exe");
}
SHELLEXECUTEINFO ShExecInfo;
// set up the execution info
ShExecInfo.cbSize = sizeof(SHELLEXECUTEINFO);
ShExecInfo.fMask = 0;
ShExecInfo.hwnd = 0;
ShExecInfo.lpVerb = "open";
ShExecInfo.lpFile = executable;
ShExecInfo.lpParameters = outgoing_cmdline;
ShExecInfo.lpDirectory = loaddir;
ShExecInfo.nShow = SW_SHOWNORMAL;
ShExecInfo.hInstApp = NULL;
if (!ShellExecuteEx(&ShExecInfo)) {
MessageBox(NULL, "Error calling ShellExecuteEx()",
"Processing Error", MB_OK);
return 0;
}
if (reinterpret_cast<int>(ShExecInfo.hInstApp) <= 32) {
// some type of error occurred
switch (reinterpret_cast<int>(ShExecInfo.hInstApp)) {
case ERROR_FILE_NOT_FOUND:
case ERROR_PATH_NOT_FOUND:
MessageBox(NULL, "A required file could not be found. \n"
"You may need to install a Java runtime\n"
"or re-install Processing.",
"Processing Error", MB_OK);
break;
case 0:
case SE_ERR_OOM:
MessageBox(NULL, "Not enough memory or resources to run at"
" this time.", "Processing Error", MB_OK);
break;
default:
MessageBox(NULL, "There is a problem with your installation.\n"
"If the problem persists, re-install the program.",
"Processing Error", MB_OK);
break;
}
}
return 0;
}