dumpnotes rewrite
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7b25576232
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@ -8,7 +8,7 @@
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#include "platform.h"
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#define CATEGORY_LENGTH 10
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#define FREETEXT_MAX_LENGTH 80
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#define FREETEXT_MAX_LENGTH 125
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#define DEFAULT_CATEGORY "General"
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#define CNOTES_DIR ".local/share/cnotes"
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#define CNOTES_FILE "cnotes.csv"
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281
dumpnotes.c
281
dumpnotes.c
@ -1,194 +1,253 @@
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//
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// Created by gmgauthier on 05/10/2025.
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//
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define MAX_LINE_LENGTH 256
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#define DATE_LENGTH 10
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#define TIME_LENGTH 5
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#define CATEGORY_LENGTH 10
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#define FREETEXT_MAX_LENGTH 80
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#define MAX_LENGTH 500 /* Allow fgets to read up to this many characters */
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#define DATE_LENGTH 10 /* YYYY-MM-DD */
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#define TIME_LENGTH 5 /* HH:MM */
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#define CATEGORY_LENGTH 10 /* CATEGORY__ */
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#define TXTMSG_LENGTH 125 /* Max length of a text message */
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#define MAX_ENTRIES 5000 /* Maximum number of entries to load */
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#define CNOTES_FILE "notes.csv"
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#define CNOTES_DIR ".local/share/cnotes"
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#define CNOTES_FILE "cnotes.csv"
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typedef enum {
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SORT_NONE,
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SORT_DATE,
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SORT_CATEGORY
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} SortMode;
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/* Global variable to control sort order: 1 for ascending, -1 for descending */
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static int g_sort_order = -1; /* Default: descending (newest/Z-A first) */
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typedef struct {
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char date[DATE_LENGTH + 1];
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char time[TIME_LENGTH + 1];
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char category[CATEGORY_LENGTH + 1];
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char freetext[FREETEXT_MAX_LENGTH + 1];
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char date[DATE_LENGTH +1]; /* YYYY-MM-DD\0 */
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char time[TIME_LENGTH +1]; /* HH:MM\0 */
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char category[CATEGORY_LENGTH +1]; /* CATEGORY__\0 */
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char text[TXTMSG_LENGTH +1]; /* Text message\0 */
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} Entry;
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/* Comparison function for sorting by date/time */
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static int compare_by_date(const void *a, const void *b) {
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const Entry *entry_a = (const Entry *)a;
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const Entry *entry_b = (const Entry *)b;
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int date_cmp = strcmp(entry_a->date, entry_b->date);
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if (date_cmp != 0) return date_cmp * g_sort_order;
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return strcmp(entry_a->time, entry_b->time) * g_sort_order;
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}
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/* Comparison function for sorting by category */
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static int compare_by_category(const void *a, const void *b) {
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const Entry *entry_a = (const Entry *)a;
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const Entry *entry_b = (const Entry *)b;
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return strcmp(entry_b->category, entry_a->category) * g_sort_order;
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}
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/* ReSharper disable CppParameterMayBeConst */
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void print_horizontal_line(char left, char middle, char right, char fill) {
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/* ReSharper restore CppParameterMayBeConst */
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int i;
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printf("%c", left);
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/* Date column */
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for (i = 0; i < DATE_LENGTH + 2; i++) printf("%c", fill);
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printf("%c", middle);
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/* Time column */
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for (i = 0; i < TIME_LENGTH + 2; i++) printf("%c", fill);
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printf("%c", middle);
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/* Category column */
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for (i = 0; i < CATEGORY_LENGTH + 2; i++) printf("%c", fill);
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printf("%c", middle);
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/* Free text column */
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for (i = 0; i < FREETEXT_MAX_LENGTH + 2; i++) printf("%c", fill);
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for (i = 0; i < TXTMSG_LENGTH + 2; i++) printf("%c", fill);
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printf("%c\n", right);
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}
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void print_header(void) {
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/* Top border (double line) */
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print_horizontal_line('+', '+', '+', '=');
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/* Header row */
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printf("| %-*s | %-*s | %-*s | %-*s |\n",
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DATE_LENGTH, "Date",
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TIME_LENGTH, "Time",
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CATEGORY_LENGTH, "Category",
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FREETEXT_MAX_LENGTH, "Free Text");
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TXTMSG_LENGTH, "Free Text");
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/* Bottom border (double line) */
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print_horizontal_line('+', '+', '+', '=');
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}
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void print_footer(void) {
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print_horizontal_line('+', '+', '+', '-');
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}
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void print_entry(const Entry *entry) {
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printf("| %-*s | %-*s | %-*s | %-*s |\n",
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DATE_LENGTH, entry->date,
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TIME_LENGTH, entry->time,
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CATEGORY_LENGTH, entry->category,
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FREETEXT_MAX_LENGTH, entry->freetext);
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TXTMSG_LENGTH, entry->text);
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}
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void print_footer(void) {
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print_horizontal_line('+', '+', '+', '-');
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/* Parse a fixed-length field followed by a delimiter */
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static const char *parse_fixed_field(const char *ptr, char *dest, int length, char delimiter) {
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if (strlen(ptr) < length) return NULL;
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strncpy(dest, ptr, length);
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dest[length] = '\0';
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ptr += length;
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if (*ptr != delimiter) return NULL;
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return ptr + 1; /* skip delimiter */
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}
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/* Parse a variable-length field up to max_length, terminated by delimiter */
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/* Truncates if field exceeds max_length but continues to find delimiter */
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static const char *parse_variable_field(const char *ptr, char *dest, int max_length, char delimiter) {
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int i = 0;
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while (*ptr != '\0' && *ptr != delimiter) {
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if (i < max_length) {
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dest[i++] = *ptr;
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}
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ptr++;
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}
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dest[i] = '\0';
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if (*ptr != delimiter) return NULL;
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return ptr + 1; /* skip delimiter */
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}
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int parse_line(const char *line, Entry *entry) {
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const char *ptr;
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int i;
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ptr = line;
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/* Parse date (10 chars) */
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if (strlen(ptr) < DATE_LENGTH) return 0;
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strncpy(entry->date, ptr, DATE_LENGTH);
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entry->date[DATE_LENGTH] = '\0';
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ptr += DATE_LENGTH;
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/* Skip comma */
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if (*ptr != ',') return 0;
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ptr++;
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/* Parse time (5 chars) */
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if (strlen(ptr) < TIME_LENGTH) return 0;
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strncpy(entry->time, ptr, TIME_LENGTH);
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entry->time[TIME_LENGTH] = '\0';
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ptr += TIME_LENGTH;
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/* Skip comma */
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if (*ptr != ',') return 0;
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ptr++;
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/* Parse category (10 chars) */
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if (strlen(ptr) < CATEGORY_LENGTH) return 0;
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strncpy(entry->category, ptr, CATEGORY_LENGTH);
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entry->category[CATEGORY_LENGTH] = '\0';
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ptr += CATEGORY_LENGTH;
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/* Skip comma */
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if (*ptr != ',') return 0;
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ptr++;
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/* Parse free text (quoted) */
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if (*ptr != '"') return 0;
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ptr++;
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i = 0;
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while (*ptr != '\0' && *ptr != '"' && i < FREETEXT_MAX_LENGTH) {
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entry->freetext[i++] = *ptr++;
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}
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entry->freetext[i] = '\0';
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/* Should end with quote */
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if (*ptr != '"') return 0;
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const char *charptr = line;
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/* Parse date field (fixed length) */
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charptr = parse_fixed_field(charptr, entry->date, DATE_LENGTH, ',');
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if (!charptr) return 0;
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/* Parse time field (fixed length) */
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charptr = parse_fixed_field(charptr, entry->time, TIME_LENGTH, ',');
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if (!charptr) return 0;
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/* Parse category field (variable length) */
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charptr = parse_variable_field(charptr, entry->category, CATEGORY_LENGTH, ',');
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if (!charptr) return 0;
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/* Parse text field (variable length, quoted) */
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if (*charptr != '"') return 0;
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charptr++;
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charptr = parse_variable_field(charptr, entry->text, TXTMSG_LENGTH, '"');
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if (!charptr) return 0;
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return 1;
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}
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int get_cnotes_path(char *buffer, size_t bufsize) {
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const char *home;
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size_t len;
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home = getenv("HOME");
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if (home == NULL) {
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fprintf(stderr, "Error: HOME environment variable not set\n");
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return 0;
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}
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/* Build path: $HOME/.local/share/cnotes/cnotes.csv */
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len = strlen(home);
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if (len + strlen(CNOTES_DIR) + strlen(CNOTES_FILE) + 3 > bufsize) {
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fprintf(stderr, "Error: Path too long\n");
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return 0;
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}
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sprintf(buffer, "%s/%s/%s", home, CNOTES_DIR, CNOTES_FILE);
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return 1;
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}
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int main(void) {
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FILE *file;
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/* start with a simple cat of the file */
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main(int argc, char *argv[]) {
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FILE *notesfile;
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char file_path[600];
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char line[MAX_LINE_LENGTH];
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Entry entry;
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int line_count;
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int first_entry;
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Entry entries[MAX_ENTRIES];
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int entry_count = 0;
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char line[MAX_LENGTH +1];
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char *filename = CNOTES_FILE;
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SortMode sort_mode = SORT_NONE;
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int i;
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/* Parse command line arguments */
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for (i = 1; i < argc; i++) {
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if (strcmp(argv[i], "-d") == 0 || strcmp(argv[i], "--date") == 0) {
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if (sort_mode != SORT_NONE) {
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fprintf(stderr, "dumpnotes: cannot specify multiple sort options\n");
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fprintf(stderr, "usage: dumpnotes [[-d|--date] | [-c|--category]] [-r|--reverse] [filename]\n");
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exit(1);
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}
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sort_mode = SORT_DATE;
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}
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else if (strcmp(argv[i], "-c") == 0 || strcmp(argv[i], "--category") == 0) {
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if (sort_mode != SORT_NONE) {
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fprintf(stderr, "dumpnotes: cannot specify multiple sort options\n");
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fprintf(stderr, "usage: dumpnotes [[-d|--date] | [-c|--category]] [-r|--reverse] [filename]\n");
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exit(1);
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}
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sort_mode = SORT_CATEGORY;
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}
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else if (strcmp(argv[i], "-r") == 0 || strcmp(argv[i], "--reverse") == 0) {
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g_sort_order = 1; /* Ascending order */
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}
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else {
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filename = argv[i];
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}
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}
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/* Get cnotes file path */
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if (!get_cnotes_path(file_path, sizeof(file_path))) {
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return 1;
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}
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file = fopen(file_path, "r");
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if (file == NULL) {
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notesfile = fopen(file_path, "r");
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if (notesfile == NULL) {
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fprintf(stderr, "Error: Cannot open file '%s'\n", file_path);
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fprintf(stderr, "Hint: Use 'addnote' to create your first entry\n");
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return 1;
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}
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line_count = 0;
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first_entry = 1;
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while (fgets(line, sizeof(line), file) != NULL) {
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line_count++;
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/* Remove trailing newline */
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line[strcspn(line, "\n")] = '\0';
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/* Skip empty lines */
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if (strlen(line) == 0) continue;
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if (parse_line(line, &entry)) {
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if (first_entry) {
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print_header();
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first_entry = 0;
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}
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print_entry(&entry);
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} else {
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fprintf(stderr, "Warning: Skipping malformed line %d\n", line_count);
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/* Read all entries into memory */
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while (fgets(line, MAX_LENGTH, notesfile) != NULL && entry_count < MAX_ENTRIES) {
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if (parse_line(line, &entries[entry_count])) {
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entry_count++;
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}
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else {
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fprintf(stderr, "dumpnotes: invalid line: %s\n", line);
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}
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}
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if (!first_entry) {
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print_footer();
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} else {
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printf("No valid entries found.\n");
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fclose(notesfile);
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/* Sort if requested */
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if (sort_mode == SORT_DATE) {
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qsort(entries, entry_count, sizeof(Entry), compare_by_date);
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}
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fclose(file);
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else if (sort_mode == SORT_CATEGORY) {
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qsort(entries, entry_count, sizeof(Entry), compare_by_category);
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}
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/* Print the table */
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print_header();
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for (i = 0; i < entry_count; i++) {
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print_entry(&entries[i]);
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}
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print_footer();
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return 0;
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}
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}
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