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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| // | ||
| // main.c | ||
| // igv-launcher | ||
| // | ||
| // Created by James Robinson on 9/14/24. | ||
| // | ||
| // Launch IGV on MacOS (https://github.com/igvteam/igv). | ||
| // | ||
| // Code adapted from https://incenp.org/notes/2023/universal-java-app-on-macos.html | ||
| // | ||
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||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <unistd.h> | ||
| #include <limits.h> | ||
| #include <string.h> | ||
| #include <err.h> | ||
| #include <mach-o/dyld.h> | ||
| #include <sys/types.h> | ||
| #include <sys/stat.h> | ||
| #include <CoreFoundation/CoreFoundation.h> | ||
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| /* Remove the last n components of a pathname. The pathname | ||
| * is modified in place. Returns 0 if the requested number | ||
| * of components have been removed, -1 otherwise. */ | ||
| static int remove_last_component(char *buffer , unsigned n) | ||
| { | ||
| char *last_slash = NULL; | ||
| while ( n-- > 0 ) { | ||
| if ( (last_slash = strrchr(buffer, '/')) ) | ||
| *last_slash = '\0'; | ||
| } | ||
| return last_slash ? 0 : -1; | ||
| } | ||
|
|
||
| /* | ||
| * Test if a given path exists and if it is a directory. | ||
| * It returns 1 if given path is directory and exists | ||
| * otherwise returns 0. | ||
| */ | ||
| static int isDirectoryExists(const char *path) | ||
| { | ||
| struct stat stats; | ||
| stat(path, &stats); | ||
|
|
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| // Check for file existence | ||
| if (S_ISDIR(stats.st_mode)) | ||
| return 1; | ||
|
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| return 0; | ||
| } | ||
|
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| static int simpleLauncher(int argc, char **argv) | ||
| { | ||
| char app_path[PATH_MAX]; | ||
| uint32_t path_size = PATH_MAX; | ||
| int ret = 0; | ||
|
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| (void) argc; | ||
| (void) argv; | ||
|
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| /* Get the path to the "Contents" directory. */ | ||
| if ( _NSGetExecutablePath(app_path, &path_size) == -1 ) | ||
| err(EXIT_FAILURE, "Cannot get application directory"); | ||
| if ( remove_last_component(app_path, 2) == -1 ) | ||
| errx(EXIT_FAILURE, "Cannot get application directory"); | ||
|
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| /* Move to that directory. */ | ||
| if ( chdir(app_path) == -1 ) | ||
| err(EXIT_FAILURE, "Cannot change current directory"); | ||
|
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| char* cmd; | ||
|
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| /* See if there is a bundled JDK */ | ||
| if(isDirectoryExists("jdk-21")) { | ||
| char jdkPath[2048] = {'\0'}; | ||
| snprintf(jdkPath, sizeof(jdkPath), "%s/jdk-21", app_path); | ||
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| setenv("JAVA_HOME", jdkPath, true); | ||
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| char javaPath[2048] = {'\0'}; | ||
| snprintf(javaPath, sizeof(javaPath), "%s/bin/java", jdkPath); | ||
| cmd = javaPath; | ||
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| printf("Using bundled JDK"); | ||
|
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| //PATH=$JAVA_HOME/bin:$PATH | ||
| } else { | ||
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| cmd = "java"; | ||
| printf("Using System JDK\n"); | ||
| } | ||
|
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| /* Get user defined extra arguments, if any */ | ||
| char extraArgumentsPath[2048] = {'\0'}; | ||
| const char *homeDir = getenv("HOME"); | ||
| snprintf(extraArgumentsPath, sizeof(extraArgumentsPath), "%s/.igv/java_arguments", homeDir); | ||
|
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| if(access(extraArgumentsPath, F_OK) == 0) { | ||
| char extraArguments[2048] = {'\0'}; | ||
| snprintf(extraArguments, sizeof(extraArguments), "@%s", extraArgumentsPath); | ||
|
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| /* Run IGV with user extra arguments */ | ||
|
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| char* args[] = { | ||
| "java", | ||
| "-showversion", | ||
| "--module-path=Java/lib", | ||
| "-Xmx8g", | ||
| "@Java/igv.args", | ||
| "-Xdock:name=IGV", | ||
| "-Xdock:icon=Resources/IGV_64.png", | ||
| "-Dapple.laf.useScreenMenuBar=true", | ||
| extraArguments, | ||
| "--module=org.igv/org.broad.igv.ui.Main", | ||
| NULL}; | ||
|
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| ret = execvp(cmd, args); | ||
| return ret; | ||
|
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| } else { | ||
|
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| /* Run IGV without user extra arguments */ | ||
|
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| char* args[] = { | ||
| "java", | ||
| "-showversion", | ||
| "--module-path=Java/lib", | ||
| "-Xmx8g", | ||
| "@Java/igv.args", | ||
| "-Xdock:name=IGV", | ||
| "-Xdock:icon=Resources/IGV_64.png", | ||
| "--module=org.igv/org.broad.igv.ui.Main", | ||
| NULL}; | ||
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| ret = execvp(cmd, args); | ||
| return ret; | ||
| } | ||
| } | ||
|
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| int main(int argc, char **argv) | ||
| { | ||
| return simpleLauncher(argc, argv); | ||
| } |
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