search.c

这是我写的一个仿照linux下编辑器vim写的一个简单的全屏文本编辑器

#include "zped.h"
#include "myExternal.h"


bool searchInit()
{
	long i = 0;
	searchRow = current_R;
	searchCol = current_R->rowHead;
	for(i = 0; i < current_x; i++)
		searchCol = searchCol->next;
	searchTop = editTop;
	search_x = current_x;
	search_y = current_y;
	Scursor_y = cursor_y;
	return 1;
}




bool search_down()
{
	int count = 0;
	if(searchRow == 0 || searchTarget[0] == 0)
		return 0;
	while(searchRow != 0) {
		count = 0;
		while(searchCol != 0 && count < searchCount) {
			if(searchTarget[count] == searchCol->ch) {
				count++;
			} else {
				count = 0;
			}
			searchCol = searchCol->next;
			search_x++;
		}
		if(count == searchCount)
			return 1;
		searchRow = searchRow->next;
		if(searchRow != 0) {
			searchCol = searchRow->rowHead;
			if(Scursor_y == LINES-3)
				searchTop = searchTop->next;
			else
				Scursor_y++;
			search_y++;
			search_x = 0;
		}
	}
	return 0;
}



bool search_up()
{
	int count = 0;
	if(searchRow == 0 || searchTarget[0] == 0) {
		mvwaddch(edit,5,5,'o');
		wrefresh(edit);
		sleep(1);
		return 0;
	}
	while(searchRow != 0) {
		count = searchCount-1;
		while(searchCol != 0 && count >= 0) {
			if(searchTarget[count] == searchCol->ch) {
				count--;
			} else {
				count = searchCount-1;
			}
			searchCol = searchCol->pre;
			search_x--;
		}
		if(count < 0) {
			search_x++;
			return 1;
		}
		searchRow = searchRow->pre;
		if(searchRow != 0) {
			searchCol = searchRow->rowHead;
			while(searchCol->next != 0)
				searchCol = searchCol->next;
			if(Scursor_y == 0)
				searchTop = searchTop->pre;
			else
				Scursor_y--;
			search_y--;
			search_x = searchRow->num-1;
		}
	}
	return 0;
}


bool search_pre()
{
	long int i;
	/*do some initial jobs*/
	if(current_x == 0) {
		if(current_R == fileTop)
			return 0;
		else if(cursor_y == 0) {
			searchTop = editTop->pre;
			searchRow = current_R->pre;
			searchCol = searchRow->rowHead;
			while(searchCol->next != 0)
				searchCol = searchCol->next;
			search_x = searchRow->num-1;
			search_y = current_y-1;
			Scursor_y = cursor_y;
		} else {
			searchTop = editTop;
			searchRow = current_R->pre;
			searchCol = searchRow->rowHead;
			while(searchCol->next != 0)
				searchCol = searchCol->next;
			search_x = searchRow->num-1;
			search_y = current_y-1;
			Scursor_y = cursor_y-1;
		}
	} else {
		search_x = current_x - 1;
		searchRow = current_R;
		searchTop = editTop;
		search_y = current_y;
		Scursor_y = cursor_y;
		searchCol = current_R->rowHead;
		for(i = 0; i < search_x; i++)
			searchCol = searchCol->next;
	}
	if(search_up())
		return 1;
	else
		return 0;
}


bool search_next()
{
	long int i;
	if(current_R == fileBot && current_R->rowHead == 0)
		return 0;
	if(current_x == current_R->num-1) {
		if(current_R == fileBot)
			return 0;
		else if(cursor_y == LINES-3) {
			searchTop = editTop->next;
			searchRow = current_R->next;
			searchCol = searchRow->rowHead;
			search_x = 0;
			search_y = current_y+1;
			Scursor_y = cursor_y;
		} else {
			searchTop = editTop;
			searchRow = current_R->next;
			searchCol = searchRow->rowHead;
			search_x = 0;
			search_y = current_y+1;
			Scursor_y = cursor_y+1;
		}
	} else {
		search_x = current_x + 1;
		searchRow = current_R;
		searchTop = editTop;
		search_y = current_y;
		Scursor_y = cursor_y;
		searchCol = current_R->rowHead;
		for(i = 0; i < search_x; i++)
			searchCol = searchCol->next;
	}
	if(search_down())
		return 1;
	else
		return 0;
}



bool replace_line(char * replaceWord,int n)
{
	int count = 0;
	int i = 0;
	bool flat = 0;
	searchRow = current_R;
	searchCol = searchRow->rowHead;
	searchTop = editTop;
	search_x = 0;
	search_y = current_y;
	Scursor_y = cursor_y;
	if(strcmp(replaceWord,searchTarget) == 0 || searchTarget[0] == 0)
		return 1;
	while(searchCol) {
		count = 0;
		while(searchCol != 0 && count < searchCount) {
			if(searchTarget[count] == searchCol->ch) {
				count++;
			} else {
				count = 0;
			}
			searchCol = searchCol->next;
			search_x++;
		}
		if(count == searchCount) {
			flat = 1;
			current_x = search_x;
			i = 0;
			while(i < searchCount) {
				dele_one();
				i++;
			}
			i = 0;
			while(i < n) {
				add_one(replaceWord[i]);
				i++;
			}
			search_x = current_x;
		}
	}
	if(flat) {
		current_x -= n;
		return 1;
	} else
		return 0;
}



bool replace_below(char * replaceWord,int n)
{
	int i = 0;
	bool flat = 0;
	searchInit();
	if(strcmp(replaceWord,searchTarget) == 0 || searchTarget[0] == 0)
		return 1;
	while(searchRow) {
		if(search_down()) {
			flat = 1;
			current_R = searchRow;
			editTop = searchTop;
			current_x = search_x;
			current_y = search_y;
			cursor_y = Scursor_y;
			i = 0;
			while(i < searchCount) {
				dele_one();
				i++;
			}
			i = 0;
			while(i < n) {
				add_one(replaceWord[i]);
				i++;
			}
			search_x = current_x;
		}
	}
	if(flat) {
		current_x -= n;
		return 1;
	}
	else
		return 0;
}