/*
 * Copyright 2005, Haiku.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Axel Dörfler, axeld@pinc-software.de
 */


#include <Entry.h>
#include <Path.h>
#include <Query.h>
#include <Volume.h>

#include <fs_info.h>

#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>


extern const char* __progname;


void
skip_white_space(char*& line)
{
        while (isspace(line[0]))
                line++;
}


void
get_name(char* line)
{
        while (isalnum(line[0]) || line[0] == '_') {
                line++;
        }

        line[0] = '\0';
}


void
print_code(BPath& path, int32 code)
{
        FILE* file = fopen(path.Path(), "r");
        if (file == NULL)
                return;

        int32 lineNumber = 0;
        char buffer[4096];

        while (fgets(buffer, sizeof(buffer), file) != NULL) {
                char* line = buffer;
                skip_white_space(line);

                if (strncmp(line, "AS_", 3))
                        continue;

                if (++lineNumber != code)
                        continue;

                get_name(line);
                printf("code %ld: %s\n", lineNumber, line);
                fclose(file);
                return;
        }

        printf("unknown code %ld!\n", code);
        fclose(file);
}


int
main(int argc, char** argv)
{
        if (argc < 2) {
                fprintf(stderr, "usage: %s <message-code>\n", __progname);
                return -1;
        }

        int32 number = atol(argv[1]);

        BQuery query;
        query.SetPredicate("name=ServerProtocol.h");

        // search on current volume only
        dev_t device = dev_for_path(".");
        BVolume volume(device);

        query.SetVolume(&volume);
        query.Fetch();

        status_t status;
        BEntry entry;
        while ((status = query.GetNextEntry(&entry)) == B_OK) {
                BPath path(&entry);
                puts(path.Path());
                if (strstr(path.Path(), "headers/private/app/ServerProtocol.h") != NULL) {
                        print_code(path, number);
                        break;
                }
        }

        if (status != B_OK) {
                fprintf(stderr, "%s: could not find ServerProtocol.h", __progname);
                return -1;
        }
        return 0;
}