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-
- /*
- *
- * zle_word.c - word-related editor functions
- *
- * This file is part of zsh, the Z shell.
- *
- * This software is Copyright 1992 by Paul Falstad
- *
- * Permission is hereby granted to copy, reproduce, redistribute or otherwise
- * use this software as long as: there is no monetary profit gained
- * specifically from the use or reproduction of this software, it is not
- * sold, rented, traded or otherwise marketed, and this copyright notice is
- * included prominently in any copy made.
- *
- * The author make no claims as to the fitness or correctness of this software
- * for any use whatsoever, and it is provided as is. Any use of this software
- * is at the user's own risk.
- *
- */
-
- #define ZLE
- #include "zsh.h"
-
- void forwardword()
- { /**/
- if (mult < 0) {
- mult = -mult;
- backwardword();
- return;
- }
- while (mult--) {
- while (cs != ll && iword(line[cs]))
- cs++;
- if (wordflag && !mult)
- return;
- while (cs != ll && !iword(line[cs]))
- cs++;
- }
- }
-
- void viforwardword()
- { /**/
- if (mult < 0) {
- mult = -mult;
- backwardword();
- return;
- }
- while (mult--) {
- if (iident(line[cs]))
- while (cs != ll && iident(line[cs]))
- cs++;
- else
- while (cs != ll && !iident(line[cs]) && !iblank(line[cs]))
- cs++;
- if (wordflag && !mult)
- return;
- while (cs != ll && iblank(line[cs]))
- cs++;
- }
- }
-
- void viforwardblankword()
- { /**/
- if (mult < 0) {
- mult = -mult;
- vibackwardblankword();
- return;
- }
- while (mult--) {
- while (cs != ll && !iblank(line[cs]))
- cs++;
- if (wordflag && !mult)
- return;
- while (cs != ll && iblank(line[cs]))
- cs++;
- }
- }
-
- void emacsforwardword()
- { /**/
- if (mult < 0) {
- mult = -mult;
- emacsbackwardword();
- return;
- }
- while (mult--) {
- while (cs != ll && !iword(line[cs]))
- cs++;
- if (wordflag && !mult)
- return;
- while (cs != ll && iword(line[cs]))
- cs++;
- }
- }
-
- void viforwardblankwordend()
- { /**/
- if (mult < 0)
- return;
- while (mult--) {
- while (cs != ll && iblank(line[cs + 1]))
- cs++;
- while (cs != ll && !iblank(line[cs + 1]))
- cs++;
- }
- if (cs != ll && virangeflag)
- cs++;
- }
-
- void viforwardwordend()
- { /**/
- if (mult < 0) {
- mult = -mult;
- backwardword();
- return;
- }
- while (mult--) {
- if (iblank(line[cs + 1]))
- while (cs != ll && iblank(line[cs + 1]))
- cs++;
- if (iident(line[cs + 1]))
- while (cs != ll && iident(line[cs + 1]))
- cs++;
- else
- while (cs != ll && !iident(line[cs + 1]) && !iblank(line[cs + 1]))
- cs++;
- }
- if (cs != ll && virangeflag)
- cs++;
- }
-
- void backwardword()
- { /**/
- if (mult < 0) {
- mult = -mult;
- forwardword();
- return;
- }
- while (mult--) {
- while (cs && !iword(line[cs - 1]))
- cs--;
- while (cs && iword(line[cs - 1]))
- cs--;
- }
- }
-
- void vibackwardword()
- { /**/
- if (mult < 0) {
- mult = -mult;
- backwardword();
- return;
- }
- while (mult--) {
- while (cs && iblank(line[cs - 1]))
- cs--;
- if (iident(line[cs - 1]))
- while (cs && iident(line[cs - 1]))
- cs--;
- else
- while (cs && !iident(line[cs - 1]) && !iblank(line[cs - 1]))
- cs--;
- }
- }
-
- void vibackwardblankword()
- { /**/
- if (mult < 0) {
- mult = -mult;
- viforwardblankword();
- return;
- }
- while (mult--) {
- while (cs && iblank(line[cs - 1]))
- cs--;
- while (cs && !iblank(line[cs - 1]))
- cs--;
- }
- }
-
- void emacsbackwardword()
- { /**/
- if (mult < 0) {
- mult = -mult;
- emacsforwardword();
- return;
- }
- while (mult--) {
- while (cs && !iword(line[cs - 1]))
- cs--;
- while (cs && iword(line[cs - 1]))
- cs--;
- }
- }
-
- void backwarddeleteword()
- { /**/
- int x = cs;
-
- if (mult < 0) {
- mult = -mult;
- deleteword();
- return;
- }
- while (mult--) {
- while (x && !iword(line[x - 1]))
- x--;
- while (x && iword(line[x - 1]))
- x--;
- }
- backdel(cs - x);
- }
-
- void vibackwardkillword()
- { /**/
- int x = cs;
-
- if (mult < 0) {
- feep();
- return;
- }
- /* this taken from "vibackwardword" */
- while (mult--) {
- while ((x > viinsbegin) && iblank(line[x - 1]))
- x--;
- if (iident(line[x - 1]))
- while ((x > viinsbegin) && iident(line[x - 1]))
- x--;
- else
- while ((x > viinsbegin) && !iident(line[x - 1]) && !iblank(line[x - 1]))
- x--;
- }
- /*
- while (mult--) {
- while ( (x > viinsbegin) && (iwordsep(line[x-1]))) x--;
- while ( (x > viinsbegin) && (!iwordsep(line[x-1]))) x--;
- }
- */
- backkill(cs - x, 1);
- }
-
- void backwardkillword()
- { /**/
- int x = cs;
-
- if (mult < 0) {
- mult = -mult;
- killword();
- return;
- }
- while (mult--) {
- while (x && !iword(line[x - 1]))
- x--;
- while (x && iword(line[x - 1]))
- x--;
- }
- backkill(cs - x, 1);
- }
-
- void upcaseword()
- { /**/
- int neg = mult < 0, ocs = cs;
-
- if (neg)
- mult = -mult;
- while (mult--) {
- while (cs != ll && !iword(line[cs]))
- cs++;
- while (cs != ll && iword(line[cs])) {
- line[cs] = tuupper(line[cs]);
- cs++;
- }
- }
- if (neg)
- cs = ocs;
- }
-
- void downcaseword()
- { /**/
- int neg = mult < 0, ocs = cs;
-
- if (neg)
- mult = -mult;
- while (mult--) {
- while (cs != ll && !iword(line[cs]))
- cs++;
- while (cs != ll && iword(line[cs])) {
- line[cs] = tulower(line[cs]);
- cs++;
- }
- }
- if (neg)
- cs = ocs;
- }
-
- void capitalizeword()
- { /**/
- int first;
- int neg = mult < 0, ocs = cs;
-
- if (neg)
- mult = -mult;
- while (mult--) {
- first = 1;
- while (cs != ll && !iword(line[cs]))
- cs++;
- while (cs != ll && iword(line[cs])) {
- line[cs] = (first) ? tuupper(line[cs]) : tulower(line[cs]);
- first = 0;
- cs++;
- }
- }
- if (neg)
- cs = ocs;
- }
-
- void deleteword()
- { /**/
- int x = cs;
-
- if (mult < 0) {
- mult = -mult;
- backwarddeleteword();
- return;
- }
- while (mult--) {
- while (x != ll && !iword(line[x]))
- x++;
- while (x != ll && iword(line[x]))
- x++;
- }
- foredel(x - cs);
- }
-
- void killword()
- { /**/
- int x = cs;
-
- if (mult < 0) {
- mult = -mult;
- backwardkillword();
- return;
- }
- while (mult--) {
- while (x != ll && !iword(line[x]))
- x++;
- while (x != ll && iword(line[x]))
- x++;
- }
- forekill(x - cs, 0);
- }
-
- void transposewords()
- { /**/
- int p1, p2, p3, p4, x = cs;
- char *temp, *pp;
- int neg = mult < 0, ocs = cs;
-
- if (neg)
- mult = -mult;
- while (mult--) {
- while (x != ll && line[x] != '\n' && !iword(line[x]))
- x++;
- if (x == ll || line[x] == '\n') {
- x = cs;
- while (x && line[x - 1] != '\n' && !iword(line[x]))
- x--;
- if (!x || line[x - 1] == '\n') {
- feep();
- return;
- }
- }
- for (p4 = x; p4 != ll && iword(line[p4]); p4++);
- for (p3 = p4; p3 && iword(line[p3 - 1]); p3--);
- if (!p3) {
- feep();
- return;
- }
- for (p2 = p3; p2 && !iword(line[p2 - 1]); p2--);
- if (!p2) {
- feep();
- return;
- }
- for (p1 = p2; p1 && iword(line[p1 - 1]); p1--);
- pp = temp = (char *)halloc(p4 - p1 + 1);
- struncpy(&pp, UTOSCP(line + p3), p4 - p3);
- struncpy(&pp, UTOSCP(line + p2), p3 - p2);
- struncpy(&pp, UTOSCP(line + p1), p2 - p1);
- strncpy((char *)line + p1, temp, p4 - p1);
- cs = p4;
- }
- if (neg)
- cs = ocs;
- }
-