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Diffstat (limited to 'Biz/Wipbase.c')
| -rw-r--r-- | Biz/Wipbase.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/Biz/Wipbase.c b/Biz/Wipbase.c new file mode 100644 index 0000000..31996a2 --- /dev/null +++ b/Biz/Wipbase.c @@ -0,0 +1,185 @@ +// : out wip + + +/* +I have the following spec, I need you to write a C program that fills this spec: + +- this program is called 'wip' and will record 'updates' +- an 'update' is a line of text with a timestamp +- this program should use 'argp.h' for processing command line arguments +- The command line interface has two subcommands, "submit" and "review" +- submit command: + - takes a line of text and writes the timestamp and line of text separated by a tab to a file called 'wip.dat'. This represents one 'update' + - the timestamp format should be "%Y-%m-%d %H:%M:%S" +- review command: + - reads the file 'wip.dat' and prints all the updates for the given week. + - takes an flag '--period' for determining which week to report updates for + - '--period' takes an argument which can be either 'thisweek' or 'lastweek', defaulting to 'thisweek' if not given + + +Here is some example usage: + +$ wip submit "This is my update" +$ wip submit "This is a second update" +$ wip review +Updates for this week: + + This is my update + + This is a second update +$ wip review -p thisweek +Updates for this week: + + This is my update + + This is a second update +$ wip review --period lastweek + + this was an update from last week +*/ + + +#include <argp.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + +#define WIP_FILENAME "wip.dat" +#define TIMESTAMP_FORMAT "%Y-%m-%d %H:%M:%S" + +const char *argp_program_version = "wip 1.0"; +const char *argp_program_bug_address = "<your-email@example.com>"; + +static char doc[] = "A simple tool to record and review updates"; + +static struct argp_option options[] = { + {"period", 'p', "PERIOD", 0, + "Set the period for review (thisweek, lastweek)"}, + {0} +}; + +struct arguments +{ + char *command; + char *update; + char *period; +}; + +static error_t +parse_opt (int key, char *arg, struct argp_state *state) +{ + struct arguments *arguments = state->input; + switch (key) + { + case 'p': + arguments->period = arg; + break; + case ARGP_KEY_ARG: + if (arguments->command == NULL) + { + arguments->command = arg; + } + else if (arguments->update == NULL) + { + arguments->update = arg; + } + break; + default: + return ARGP_ERR_UNKNOWN; + } + return 0; +} + +static struct argp argp = { options, parse_opt, "COMMAND [UPDATE]", doc }; + +void +submit_update (char *update) +{ + FILE *file = fopen (WIP_FILENAME, "a"); + if (file == NULL) + { + printf ("Could not open %s\n", WIP_FILENAME); + return; + } + + time_t now; + time (&now); + struct tm *timeinfo = localtime (&now); + + char timestamp[20]; + strftime (timestamp, sizeof (timestamp), TIMESTAMP_FORMAT, timeinfo); + + fprintf (file, "%s\t%s\n", timestamp, update); + + fclose (file); +} + +void +review_updates (char *period) +{ + FILE *file = fopen (WIP_FILENAME, "r"); + if (file == NULL) + { + printf ("Could not open %s\n", WIP_FILENAME); + return; + } + + time_t now; + time (&now); + struct tm *timeinfo = localtime (&now); + int current_week = timeinfo->tm_yday / 7; + if (strcmp (period, "lastweek") == 0) + { + current_week--; + } + + char line[256]; + while (fgets (line, sizeof (line), file)) + { + struct tm timeinfo_line = { 0 }; + strptime (line, TIMESTAMP_FORMAT, &timeinfo_line); + int line_week = timeinfo_line.tm_yday / 7; + + if (line_week == current_week) + { + printf ("+ %s", strchr (line, '\t') + 1); + } + } + + fclose (file); +} + +int +main (int argc, char **argv) +{ + struct arguments arguments; + arguments.command = NULL; + arguments.update = NULL; + arguments.period = "thisweek"; + + argp_parse (&argp, argc, argv, 0, 0, &arguments); + + if (arguments.command == NULL) + { + printf ("No command provided. Expected 'submit' or 'review'.\n"); + return 1; + } + + if (strcmp (arguments.command, "submit") == 0) + { + if (arguments.update == NULL) + { + printf ("No update provided for 'submit' command.\n"); + return 1; + } + submit_update (arguments.update); + } + else if (strcmp (arguments.command, "review") == 0) + { + review_updates (arguments.period); + } + else + { + printf ("Unknown command '%s'. Expected 'submit' or 'review'.\n", + arguments.command); + return 1; + } + + return 0; +} |