pretty much working, need to fix horizontal scrolling & file saving
This commit is contained in:
FantasyPvP
Binary file not shown.
+50
-6
@@ -23,6 +23,8 @@ void add_toolbar(Editor* self) {
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addstr(mode);
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addstr(mode);
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}
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}
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#define min(x, y) ((x) < (y) ? (x) : (y))
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void refresh_buffer(Editor* self) {
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void refresh_buffer(Editor* self) {
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move(0, 0);
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move(0, 0);
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@@ -36,24 +38,62 @@ void refresh_buffer(Editor* self) {
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for (size_t i = self->y_offset; i < self->lines && i < self->y_offset + max_y; i++) {
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for (size_t i = self->y_offset; i < self->lines && i < self->y_offset + max_y; i++) {
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// for (size_t i = 0; i < self->lines; i++) {
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// for (size_t i = 0; i < self->lines; i++) {
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// adding the line number
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// adding the line number
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char line_no[5];
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char line_no[6];
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snprintf(line_no, 5, "%-5d", i + 1);
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snprintf(line_no, 5, "%-5d", i + 1);
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// adding the line of text to the buffer
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// adding the line of text to the buffer
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addstr(line_no);
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addstr(line_no);
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addch(' ');
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addch(' ');
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addstr(to_chars(&self->buffer[i]));
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String_t line_segment = str_slice(
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&self->buffer[i],
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self->x_offset,
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min(str_len(&self->buffer[i]), self->x_offset + max_x - 5)
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);
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addstr(to_chars(&line_segment));
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str_dealloc(&line_segment);
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addstr("\n");
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addstr("\n");
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}
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}
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add_toolbar(self);
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add_toolbar(self);
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move(self->buffer_line, self->buffer_col + 5);
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move(self->buffer_line - self->y_offset, self->buffer_col - self->x_offset + 5);
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}
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}
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void move_cursor_on_screen(Editor* editor, int x, int y) {
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void move_cursor_on_screen(Editor* editor, int x, int y) {
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int newx = x + 5; // account for the line number
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int newx = x + 5; // account for the line number
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move(y, newx);
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int max_x, max_y;
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getmaxyx(stdscr, max_y, max_x);
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bool flag = false;
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while (newx + 3 > max_x + editor->x_offset) {
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editor->x_offset += 1;
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flag = true;
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}
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while (newx - 3 < editor->x_offset) {
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editor->x_offset -= 1;
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flag = true;
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}
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while (y + 3 > max_y + editor->y_offset) {
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editor->y_offset += 1;
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flag = true;
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}
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while (y - 3 < editor->y_offset) {
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editor->y_offset -= 1;
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flag = true;
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}
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if (flag) {
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refresh_buffer(editor);
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}
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move(y - editor->y_offset, newx - editor->x_offset);
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}
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}
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void switch_mode(Editor* self) {
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void switch_mode(Editor* self) {
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@@ -63,12 +103,15 @@ void switch_mode(Editor* self) {
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void newline(Editor* self) {
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void newline(Editor* self) {
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move(self->buffer_line, 0);
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move(self->buffer_line, 0);
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char line_no[5];
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char line_no[6];
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snprintf(line_no, 5, "%-5d", self->buffer_line + 1);
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snprintf(line_no, 5, "%-5d", self->buffer_line + 1);
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fprintf(stderr, "ln: %d, col: %d", self->buffer_line, self->buffer_col);
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// adding the line of text to the buffer
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// adding the line of text to the buffer
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addstr(line_no);
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addstr(line_no);
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addch(' ');
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addch(' ');
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move(self->buffer_line, self->buffer_col + 5);
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move_cursor_on_screen(self, self->buffer_col, self->buffer_line);
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}
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}
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Editor editor_from(String_t input_string) {
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Editor editor_from(String_t input_string) {
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@@ -120,6 +163,7 @@ void move_cursor(Editor* self, int x, int y) {
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// moving the cursor left or right in any other case
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// moving the cursor left or right in any other case
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self->buffer_col += x;
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self->buffer_col += x;
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}
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}
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fprintf(stderr, "ln: %d, col: %d xoff: %d yoff: %d\n", self->buffer_line, self->buffer_col, self->x_offset, self->y_offset);
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move_cursor_on_screen(self, self->buffer_col, self->buffer_line);
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move_cursor_on_screen(self, self->buffer_col, self->buffer_line);
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}
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}
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+258
-1
@@ -1 +1,258 @@
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Fatal glibc error: malloc.c:2599 (sysmalloc): assertion failed: (old_top == initial_top (av) && old_size == 0) || ((unsigned long) (old_size) >= MINSIZE && prev_inuse (old_top) && ((unsigned long) old_end & (pagesize - 1)) == 0)
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starting editor openiing file somecode.cln: 1, col: 0 xoff: 0 yoff: 0
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ln: 2, col: 0 xoff: 0 yoff: 0
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ln: 3, col: 0 xoff: 0 yoff: 0
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ln: 178, col: 4 xoff: 0 yoff: 143
|
||||||
|
110
|
||||||
|
ln: 178, col: 5 xoff: 0 yoff: 143
|
||||||
|
32
|
||||||
|
ln: 178, col: 6 xoff: 0 yoff: 143
|
||||||
|
ln: 178, col: 5 xoff: 0 yoff: 143
|
||||||
|
ln: 178, col: 4 xoff: 0 yoff: 143
|
||||||
|
ln: 178, col: 3 xoff: 0 yoff: 143
|
||||||
|
ln: 178, col: 2 xoff: 0 yoff: 143
|
||||||
|
ln: 178, col: 1 xoff: 0 yoff: 143
|
||||||
|
ln: 178, col: 0 xoff: 0 yoff: 143
|
||||||
|
ln: 177, col: 4 xoff: 0 yoff: 143
|
||||||
|
ln: 178, col: 0 xoff: 0 yoff: 143
|
||||||
|
105
|
||||||
|
ln: 178, col: 1 xoff: 0 yoff: 143
|
||||||
|
ln: 178, col: 0 xoff: 0 yoff: 143
|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
ln: 178, col: 0 xoff: 0 yoff: 143
|
||||||
|
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|
||||||
|
ln: 178, col: 0 xoff: 0 yoff: 143
|
||||||
|
ln: 177, col: 0 xoff: 0 yoff: 143
|
||||||
|
ln: 178, col: 0 xoff: 0 yoff: 143
|
||||||
|
ln: 177, col: 4 xoff: 0 yoff: 143
|
||||||
|
ln: 178, col: 0 xoff: 0 yoff: 143
|
||||||
|
ln: 177, col: 4 xoff: 0 yoff: 143
|
||||||
|
ln: 178, col: 0 xoff: 0 yoff: 143
|
||||||
|
ln: 177, col: 4 xoff: 0 yoff: 143
|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
ln: 178, col: 0 xoff: 0 yoff: 143
|
||||||
|
111
|
||||||
|
ln: 178, col: 0ln: 178, col: 1 xoff: 0 yoff: 143
|
||||||
|
ln: 177, col: 1 xoff: 0 yoff: 143
|
||||||
|
ln: 176, col: 1 xoff: 0 yoff: 143
|
||||||
|
ln: 175, col: 1 xoff: 0 yoff: 143
|
||||||
|
410
|
||||||
|
ln: 175, col: 2 xoff: 0 yoff: 143
|
||||||
|
410
|
||||||
|
ln: 175, col: 3 xoff: 0 yoff: 155
|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
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|
||||||
|
ln: 175, col: 22 xoff: 0 yoff: 155
|
||||||
|
|||||||
@@ -1,221 +0,0 @@
|
|||||||
/// dynamic array class
|
|
||||||
/// written by: Harry Irving
|
|
||||||
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <string.h>
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <stdbool.h>
|
|
||||||
#include <stdint.h>
|
|
||||||
|
|
||||||
typedef struct {
|
|
||||||
uint32_t size, capacity;
|
|
||||||
char* data;
|
|
||||||
} String_t;
|
|
||||||
|
|
||||||
String_t str_with_capacity(int capacity) {
|
|
||||||
String_t s;
|
|
||||||
|
|
||||||
/// allocate memory for 'capacity' chars
|
|
||||||
s.data = (char*)calloc(capacity, sizeof(char));
|
|
||||||
|
|
||||||
s.size = 0;
|
|
||||||
s.capacity = capacity;
|
|
||||||
|
|
||||||
return s;
|
|
||||||
}
|
|
||||||
|
|
||||||
String_t str_from_chars(const char* string) {
|
|
||||||
String_t s;
|
|
||||||
|
|
||||||
s.data = (char*)calloc(strlen(string), sizeof(char));
|
|
||||||
strcpy(s.data, string);
|
|
||||||
s.size = strlen(string);
|
|
||||||
s.capacity = strlen(string);
|
|
||||||
return s;
|
|
||||||
}
|
|
||||||
|
|
||||||
String_t str_from_slice(const char* string, int len) {
|
|
||||||
String_t s;
|
|
||||||
|
|
||||||
s.data = (char*)calloc(len, sizeof(char));
|
|
||||||
strncpy(s.data, string, len);
|
|
||||||
s.size = len;
|
|
||||||
s.capacity = len;
|
|
||||||
return s;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
String_t str_new() {
|
|
||||||
return str_with_capacity(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
int str_dealloc(String_t* self) {
|
|
||||||
free(self->data);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
int str_push(String_t* self, char c) {
|
|
||||||
// check size < capacity
|
|
||||||
if (self->size < self->capacity) {
|
|
||||||
self->data[self->size] = c;
|
|
||||||
self->size++;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
// reallocate to add capacity for an extra char
|
|
||||||
int newcap = self->capacity + sizeof(char);
|
|
||||||
self->data = (char*)realloc(self->data, newcap);
|
|
||||||
self->data[self->size] = c;
|
|
||||||
self->size++;
|
|
||||||
self->capacity = newcap;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
int str_push_str(String_t* self, char* c) {
|
|
||||||
if (self->size + strlen(c) >= self->capacity) {
|
|
||||||
self->capacity = ( self->size + strlen(c) ) * sizeof(char);
|
|
||||||
self->data = (char*)realloc(self->data, self->capacity);
|
|
||||||
|
|
||||||
for (int i = 0; i < strlen(c); i++) {
|
|
||||||
self->data[self->size + i] = c[i];
|
|
||||||
}
|
|
||||||
self->size = self->capacity;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
String_t str_from_file(FILE* file) {
|
|
||||||
if (file == NULL) {
|
|
||||||
return str_new();
|
|
||||||
}
|
|
||||||
|
|
||||||
char buffer[1024];
|
|
||||||
|
|
||||||
String_t string = str_new();
|
|
||||||
|
|
||||||
while (fgets(buffer, sizeof(buffer), file) != NULL) {
|
|
||||||
str_push_str(&string, buffer);
|
|
||||||
}
|
|
||||||
|
|
||||||
fclose(file);
|
|
||||||
|
|
||||||
return string;
|
|
||||||
}
|
|
||||||
|
|
||||||
char str_pop(String_t* self) {
|
|
||||||
if (self->size == 0) {
|
|
||||||
return '\0';
|
|
||||||
}
|
|
||||||
self->size--;
|
|
||||||
char c = self->data[self->size];
|
|
||||||
return c;
|
|
||||||
}
|
|
||||||
|
|
||||||
int str_insert(String_t* self, int index, char c) {
|
|
||||||
if (index > self->size) {
|
|
||||||
return -1;
|
|
||||||
}
|
|
||||||
self->size++;
|
|
||||||
for (int i = self->size - 1; i > index; i--) {
|
|
||||||
self->data[i] = self->data[i - 1];
|
|
||||||
}
|
|
||||||
self->data[index] = c;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
int str_remove(String_t* self, int index) {
|
|
||||||
if (index >= self->size) {
|
|
||||||
return -1;
|
|
||||||
}
|
|
||||||
self->size--;
|
|
||||||
for (int i = index; i < self->size; i++) {
|
|
||||||
self->data[i] = self->data[i + 1];
|
|
||||||
}
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/// splits a string into an array of strings based on a delimiter
|
|
||||||
String_t* str_split(String_t* self, int* res_len, char c) {
|
|
||||||
|
|
||||||
char* string = self->data;
|
|
||||||
String_t* elements = NULL;
|
|
||||||
|
|
||||||
// find the number of lines in the file
|
|
||||||
|
|
||||||
bool flag = false;
|
|
||||||
*res_len = 0;
|
|
||||||
for (int i = 0; i < strlen(string); i++) {
|
|
||||||
if (string[i] == c) {
|
|
||||||
if (flag) {
|
|
||||||
(*res_len)++;
|
|
||||||
flag = false;
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
flag = true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (flag) {
|
|
||||||
(*res_len)++;
|
|
||||||
}
|
|
||||||
|
|
||||||
// allocate memory for an array of pointers to each line
|
|
||||||
elements = (String_t*)malloc((*res_len) * sizeof(String_t));
|
|
||||||
|
|
||||||
int i = 0;
|
|
||||||
flag = false;
|
|
||||||
char* start = string;
|
|
||||||
char* end = string;
|
|
||||||
|
|
||||||
while (*end != '\0') {
|
|
||||||
if (*end == c) {
|
|
||||||
if (flag) {
|
|
||||||
elements[i] = str_from_slice(start, end - start);
|
|
||||||
i++;
|
|
||||||
}
|
|
||||||
end++;
|
|
||||||
start = end;
|
|
||||||
flag = false;
|
|
||||||
} else {
|
|
||||||
end++;
|
|
||||||
flag = true;
|
|
||||||
}
|
|
||||||
} if (flag) {
|
|
||||||
elements[i] = str_from_slice(start, end - start);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
// returns an array of String_t
|
|
||||||
return elements;
|
|
||||||
}
|
|
||||||
|
|
||||||
String_t* str_lines(String_t* self, int* numlines) {
|
|
||||||
return str_split(self, numlines, '\n');
|
|
||||||
}
|
|
||||||
|
|
||||||
int str_len(String_t* s) {
|
|
||||||
return s->size;
|
|
||||||
}
|
|
||||||
|
|
||||||
char* to_chars(String_t* s) {
|
|
||||||
return s->data;
|
|
||||||
}
|
|
||||||
|
|
||||||
// int main() {
|
|
||||||
// String_t s = str_from_chars("hello\nworld\neeeee\notherline\n");
|
|
||||||
|
|
||||||
// str_remove(&s, 10);
|
|
||||||
// str_insert(&s, 10, 'h');
|
|
||||||
|
|
||||||
// printf("%s\n", to_chars(&s));
|
|
||||||
|
|
||||||
// int linen = 0;
|
|
||||||
// String_t* lines = str_lines(&s, &linen);
|
|
||||||
// for (int i=0; i < linen; i++) {
|
|
||||||
// printf("%s", to_chars(&lines[i]));
|
|
||||||
// }
|
|
||||||
|
|
||||||
// str_dealloc(&s);
|
|
||||||
|
|
||||||
// return 0;
|
|
||||||
// }
|
|
||||||
Reference in New Issue
Block a user