first ct replace

cmd/main.go

@@ -3,7 +3,7 @@ package main
 import (
 	"os"
 
-	"tioga.co/kristofer/kg"
+	"github.com/kristofer/kg"
 )
 
 func main() {

replace.go

@@ -0,0 +1,112 @@
+package kg
+
+import "fmt"
+
+/*search for a string and replace it with another string */
+func (e *Editor) queryReplace() {
+	// point_t o_point = curbp->b_point;
+	// point_t l_point = -1;
+	// point_t found;
+	// char question[STRBUF_L];
+	// int slen, rlen;   /* length of search and replace strings */
+	// int numsub = 0;   /* number of substitutions */
+	// int ask = TRUE;
+	// int c;
+
+	// searchtext[0] = '\0';
+	// replace[0] = '\0';
+
+	e.Searchtext = e.getInput("Query replace: ")
+	if len(e.Searchtext) < 1 {
+		return
+	}
+
+	e.Replace = e.getInput("With: ")
+	slen := len(e.Searchtext)
+	rlen := len(e.Replace)
+	bp := e.CurrentBuffer
+	opoint := bp.Point()
+	lpoint := -1
+	ask := true
+	/* build query replace question string */
+	question := fmt.Sprintf("Replace '%s' with '%s' ? ", e.Searchtext, e.Replace)
+
+	/* scan through the file, from point */
+	numsub := 0
+	for {
+		found := bp.searchForward(bp.Point(), e.Searchtext)
+
+		/* if not found set the point to the last point of replacement, or where we started */
+		if found == -1 {
+			if lpoint == -1 {
+				bp.SetPoint(opoint)
+			} else {
+				bp.SetPoint(lpoint)
+			}
+			break
+		}
+
+		bp.SetPoint(found)
+		/* search_forward places point at end of search, move to start of search */
+		//curbp->b_point -= slen
+		for k := 0; k < slen; k++ {
+			bp.PointPrevious()
+		}
+
+		if ask == true {
+			e.msg(question)
+
+			for {
+				e.Display(e.CurrentWindow, true)
+				//c = getch();
+				resp := e.getInput(question)
+				c := resp[1]
+				switch c {
+				case 'y': /* yes, substitute */
+					break
+
+				case 'n': /* no, find next */
+					bp.SetPoint(found) /* set to end of search string */
+					continue
+
+				case '!': /* yes/stop asking, do the lot */
+					ask = false
+					break
+
+				case 0x1B: /* esc */
+					//flushinp() /* discard any escape sequence without writing in buffer */
+				case 'q': /* controlled exit */
+					return
+
+				default: /* help me */
+					e.msg("(y)es, (n)o, (!)do the rest, (q)uit")
+					continue
+				}
+			}
+		}
+
+		if rlen > slen {
+			// 	movegap(curbp, found);
+			// 	/*check enough space in gap left */
+			// 	if (rlen - slen < curbp->b_egap - curbp->b_gap)
+			// 		growgap(curbp, rlen - slen);
+			// 	/* shrink gap right by r - s */
+			// 	curbp->b_gap = curbp->b_gap + (rlen - slen);
+			// } else if (slen > rlen) {
+			// 	movegap(curbp, found);
+			// 	/* stretch gap left by s - r, no need to worry about space */
+			// 	curbp->b_gap = curbp->b_gap - (slen - rlen);
+			// } else {
+			// 	/* if rlen = slen, we just overwrite the chars, no need to move gap */
+		}
+
+		/* now just overwrite the chars at point in the buffer */
+		// l_point = curbp->b_point;
+		// memcpy(ptr(curbp, curbp->b_point), replace, rlen * sizeof (char_t));
+		// curbp->b_flags |= B_MODIFIED;
+		// curbp->b_point = found - (slen - rlen); /* end of replcement */
+		numsub++
+	}
+
+	e.msg("%d substitutions", numsub)
+}