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#include "options.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static int
usage()
{
fprintf(stderr,
"usage: aidl OPTIONS INPUT [OUTPUT]\n"
" aidl --preprocess OUTPUT INPUT...\n"
"\n"
"OPTIONS:\n"
" -I<DIR> search path for import statements.\n"
" -d<FILE> generate dependency file.\n"
" -a generate dependency file next to the output file with the name based on the input file.\n"
" -p<FILE> file created by --preprocess to import.\n"
" -o<FOLDER> base output folder for generated files.\n"
" -b fail when trying to compile a parcelable.\n"
"\n"
"INPUT:\n"
" An aidl interface file.\n"
"\n"
"OUTPUT:\n"
" The generated interface files.\n"
" If omitted and the -o option is not used, the input filename is used, with the .aidl extension changed to a .java extension.\n"
" If the -o option is used, the generated files will be placed in the base output folder, under their package folder\n"
);
return 1;
}
int
parse_options(int argc, const char* const* argv, Options *options)
{
int i = 1;
if (argc >= 2 && 0 == strcmp(argv[1], "--preprocess")) {
if (argc < 4) {
return usage();
}
options->outputFileName = argv[2];
for (int i=3; i<argc; i++) {
options->filesToPreprocess.push_back(argv[i]);
}
options->task = PREPROCESS_AIDL;
return 0;
}
options->task = COMPILE_AIDL;
options->failOnParcelable = false;
options->autoDepFile = false;
// OPTIONS
while (i < argc) {
const char* s = argv[i];
int len = strlen(s);
if (s[0] == '-') {
if (len > 1) {
// -I<system-import-path>
if (s[1] == 'I') {
if (len > 2) {
options->importPaths.push_back(s+2);
} else {
fprintf(stderr, "-I option (%d) requires a path.\n", i);
return usage();
}
}
else if (s[1] == 'd') {
if (len > 2) {
options->depFileName = s+2;
} else {
fprintf(stderr, "-d option (%d) requires a file.\n", i);
return usage();
}
}
else if (s[1] == 'a') {
options->autoDepFile = true;
}
else if (s[1] == 'p') {
if (len > 2) {
options->preprocessedFiles.push_back(s+2);
} else {
fprintf(stderr, "-p option (%d) requires a file.\n", i);
return usage();
}
}
else if (s[1] == 'o') {
if (len > 2) {
options->outputBaseFolder = s+2;
} else {
fprintf(stderr, "-o option (%d) requires a path.\n", i);
return usage();
}
}
else if (len == 2 && s[1] == 'b') {
options->failOnParcelable = true;
}
else {
// s[1] is not known
fprintf(stderr, "unknown option (%d): %s\n", i, s);
return usage();
}
} else {
// len <= 1
fprintf(stderr, "unknown option (%d): %s\n", i, s);
return usage();
}
} else {
// s[0] != '-'
break;
}
i++;
}
// INPUT
if (i < argc) {
options->inputFileName = argv[i];
i++;
} else {
fprintf(stderr, "INPUT required\n");
return usage();
}
// OUTPUT
if (i < argc) {
options->outputFileName = argv[i];
i++;
} else if (options->outputBaseFolder.length() == 0) {
// copy input into output and change the extension from .aidl to .java
options->outputFileName = options->inputFileName;
string::size_type pos = options->outputFileName.size()-5;
if (options->outputFileName.compare(pos, 5, ".aidl") == 0) { // 5 = strlen(".aidl")
options->outputFileName.replace(pos, 5, ".java"); // 5 = strlen(".aidl")
} else {
fprintf(stderr, "INPUT is not an .aidl file.\n");
return usage();
}
}
// anything remaining?
if (i != argc) {
fprintf(stderr, "unknown option%s:", (i==argc-1?(const char*)"":(const char*)"s"));
for (; i<argc-1; i++) {
fprintf(stderr, " %s", argv[i]);
}
fprintf(stderr, "\n");
return usage();
}
return 0;
}
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