diff options
Diffstat (limited to 'fsa/src/apps/fsadump/fsadump.cpp')
| -rw-r--r-- | fsa/src/apps/fsadump/fsadump.cpp | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/fsa/src/apps/fsadump/fsadump.cpp b/fsa/src/apps/fsadump/fsadump.cpp new file mode 100644 index 00000000000..a713b5dd30f --- /dev/null +++ b/fsa/src/apps/fsadump/fsadump.cpp @@ -0,0 +1,186 @@ +// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <inttypes.h> + +#include <iostream> +#include <fstream> + +#include <vespa/fsa/base64.h> +#include <vespa/fsa/fsa.h> +#include <vespa/fsa/automaton.h> + +using namespace fsa; + +enum FSA_Input_Format { + OUTPUT_UNDEF, + OUTPUT_TEXT, + OUTPUT_TEXT_EMPTY, + OUTPUT_TEXT_NUM, + OUTPUT_BINARY, + OUTPUT_BINARY_RAW, + OUTPUT_PHASH, + OUTPUT_DOT +}; + +void error(const char *name, const char *errormsg = NULL) +{ + if(errormsg!=NULL){ + fprintf(stderr,"%s: %s\n",name,errormsg); + } +} + +void usage(const char *name, const char *errormsg = NULL) +{ + error(name,errormsg); + fprintf(stderr,"usage:\n"); + fprintf(stderr," %s [OPTIONS] fsafile\n",name); + fprintf(stderr,"\n"); + fprintf(stderr," Valid options are:\n"); + fprintf(stderr," -h display this help\n"); + fprintf(stderr," -b use binary output format with Base64 encoded info\n"); + fprintf(stderr," -B use binary output format with raw info\n"); + fprintf(stderr," -e use text output format with no info (default)\n"); + fprintf(stderr," -n use text output format with (unsigned) numerical info\n"); + fprintf(stderr," -t use text input format\n"); + fprintf(stderr," -p use perfect hash value instead of meta info (text output)\n"); + fprintf(stderr," -d output dot format\n"); + fprintf(stderr," -V display version number\n"); + fprintf(stderr,"\n"); +} + +void version() +{ + std::cout << "fsadump " + << FSA::VER/1000000 << "." << (FSA::VER/1000)%1000 << "." << FSA::VER%1000; + if(FSA::VER != FSA::libVER()){ + std::cout << " (library " + << FSA::libVER()/1000000 << "." << (FSA::libVER()/1000)%1000 << "." << FSA::libVER()%1000 + << ")"; + } + std::cout << std::endl; +} + +int main(int argc, char** argv) +{ + FSA_Input_Format format = OUTPUT_UNDEF; + const char *input_file; + + char opt; + extern int optind; + + while((opt=getopt(argc,argv,"ebBhntpdV")) != -1){ + switch(opt){ + case 'b': + format = OUTPUT_BINARY; + break; + case 'B': + format = OUTPUT_BINARY_RAW; + break; + case 'h': + usage(argv[0]); + exit(0); + case 'V': + version(); + exit(0); + case 't': + format = OUTPUT_TEXT; + break; + case 'n': + format = OUTPUT_TEXT_NUM; + break; + case 'e': + format = OUTPUT_TEXT_EMPTY; + break; + case 'p': + format = OUTPUT_PHASH; + break; + case 'd': + format = OUTPUT_DOT; + break; + case '?': + usage(argv[0],"unrecognized option"); + exit(1); + } + } + + if(optind!=argc-1){ + usage(argv[0],"required parameter(s) missing"); + exit(1); + } + + if(format==OUTPUT_UNDEF) // use default format (warning?) + format=OUTPUT_TEXT_EMPTY; + + input_file = argv[optind]; + + FSA fsa(input_file); + + if(!fsa.isOk()){ + std::cerr << "Failed to open fsa file (" << input_file << ")" << std::endl; + exit(1); + } + + std::string meta,temp; + uint32_t num_meta; + uint32_t lines=0; + + if(format!=OUTPUT_DOT){ + + for(FSA::iterator it(fsa); it!=fsa.end(); ++it){ + + switch(format){ + case OUTPUT_BINARY: + temp.assign((const char *)(it->data()),it->dataSize()); + Base64::encode(temp,meta); + std::cout << it->str() << '\0' << meta << '\0'; + break; + case OUTPUT_BINARY_RAW: + meta.assign((const char *)(it->data()),it->dataSize()); + std::cout << it->str() << '\0' << meta << '\0'; + break; + case OUTPUT_TEXT: + meta.assign((const char *)(it->data()),it->dataSize()); + if(meta.size()>0 && meta[meta.size()-1]==0){ + meta.resize(meta.size()-1); + } + std::cout << it->str() << '\t' << meta << '\n'; + break; + case OUTPUT_TEXT_NUM: + switch(it->dataSize()){ + case 1: + num_meta = *((const uint8_t*)it->data()); + break; + case 2: + case 3: + num_meta = *((const uint16_t*)it->data()); + break; + case 4: + default: + num_meta = *((const uint32_t*)it->data()); + break; + } + std::cout << it->str() << '\t' << num_meta << '\n'; + break; + case OUTPUT_PHASH: + std::cout << it->str() << '\t' << lines << '\n'; + break; + case OUTPUT_TEXT_EMPTY: + std::cout << it->str() << '\n'; + break; + default: + assert(0); + break; + } + + ++lines; + } + } + + else { + fsa.printDot(); + } + + return 0; +} |