1 2 #include "options.h" 3 4 #include <stdio.h> 5 #include <stdlib.h> 6 #include <string.h> 7 8 static int 9 usage() 10 { 11 fprintf(stderr, 12 "usage: aidl OPTIONS INPUT [OUTPUT]\n" 13 " aidl --preprocess OUTPUT INPUT...\n" 14 "\n" 15 "OPTIONS:\n" 16 " -I<DIR> search path for import statements.\n" 17 " -d<FILE> generate dependency file.\n" 18 " -a generate dependency file next to the output file with the name based on the input file.\n" 19 " -p<FILE> file created by --preprocess to import.\n" 20 " -o<FOLDER> base output folder for generated files.\n" 21 " -b fail when trying to compile a parcelable.\n" 22 "\n" 23 "INPUT:\n" 24 " An aidl interface file.\n" 25 "\n" 26 "OUTPUT:\n" 27 " The generated interface files.\n" 28 " If omitted and the -o option is not used, the input filename is used, with the .aidl extension changed to a .java extension.\n" 29 " If the -o option is used, the generated files will be placed in the base output folder, under their package folder\n" 30 ); 31 return 1; 32 } 33 34 int 35 parse_options(int argc, const char* const* argv, Options *options) 36 { 37 int i = 1; 38 39 if (argc >= 2 && 0 == strcmp(argv[1], "--preprocess")) { 40 if (argc < 4) { 41 return usage(); 42 } 43 options->outputFileName = argv[2]; 44 for (int i=3; i<argc; i++) { 45 options->filesToPreprocess.push_back(argv[i]); 46 } 47 options->task = PREPROCESS_AIDL; 48 return 0; 49 } 50 51 options->task = COMPILE_AIDL; 52 options->failOnParcelable = false; 53 options->autoDepFile = false; 54 55 // OPTIONS 56 while (i < argc) { 57 const char* s = argv[i]; 58 int len = strlen(s); 59 if (s[0] == '-') { 60 if (len > 1) { 61 // -I<system-import-path> 62 if (s[1] == 'I') { 63 if (len > 2) { 64 options->importPaths.push_back(s+2); 65 } else { 66 fprintf(stderr, "-I option (%d) requires a path.\n", i); 67 return usage(); 68 } 69 } 70 else if (s[1] == 'd') { 71 if (len > 2) { 72 options->depFileName = s+2; 73 } else { 74 fprintf(stderr, "-d option (%d) requires a file.\n", i); 75 return usage(); 76 } 77 } 78 else if (s[1] == 'a') { 79 options->autoDepFile = true; 80 } 81 else if (s[1] == 'p') { 82 if (len > 2) { 83 options->preprocessedFiles.push_back(s+2); 84 } else { 85 fprintf(stderr, "-p option (%d) requires a file.\n", i); 86 return usage(); 87 } 88 } 89 else if (s[1] == 'o') { 90 if (len > 2) { 91 options->outputBaseFolder = s+2; 92 } else { 93 fprintf(stderr, "-o option (%d) requires a path.\n", i); 94 return usage(); 95 } 96 } 97 else if (len == 2 && s[1] == 'b') { 98 options->failOnParcelable = true; 99 } 100 else { 101 // s[1] is not known 102 fprintf(stderr, "unknown option (%d): %s\n", i, s); 103 return usage(); 104 } 105 } else { 106 // len <= 1 107 fprintf(stderr, "unknown option (%d): %s\n", i, s); 108 return usage(); 109 } 110 } else { 111 // s[0] != '-' 112 break; 113 } 114 i++; 115 } 116 117 // INPUT 118 if (i < argc) { 119 options->inputFileName = argv[i]; 120 i++; 121 } else { 122 fprintf(stderr, "INPUT required\n"); 123 return usage(); 124 } 125 126 // OUTPUT 127 if (i < argc) { 128 options->outputFileName = argv[i]; 129 i++; 130 } else if (options->outputBaseFolder.length() == 0) { 131 // copy input into output and change the extension from .aidl to .java 132 options->outputFileName = options->inputFileName; 133 string::size_type pos = options->outputFileName.size()-5; 134 if (options->outputFileName.compare(pos, 5, ".aidl") == 0) { // 5 = strlen(".aidl") 135 options->outputFileName.replace(pos, 5, ".java"); // 5 = strlen(".aidl") 136 } else { 137 fprintf(stderr, "INPUT is not an .aidl file.\n"); 138 return usage(); 139 } 140 } 141 142 // anything remaining? 143 if (i != argc) { 144 fprintf(stderr, "unknown option%s:", (i==argc-1?(const char*)"":(const char*)"s")); 145 for (; i<argc-1; i++) { 146 fprintf(stderr, " %s", argv[i]); 147 } 148 fprintf(stderr, "\n"); 149 return usage(); 150 } 151 152 return 0; 153 } 154 155
