mirror of
https://hacklab.nilfm.cc/acme
synced 2024-10-22 14:31:48 +00:00
873 lines
17 KiB
C
873 lines
17 KiB
C
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#include <u.h>
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#include <libc.h>
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#include <draw.h>
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#include <thread.h>
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#include <cursor.h>
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#include <mouse.h>
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#include <keyboard.h>
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#include <frame.h>
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#include <fcall.h>
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#include <regexp.h>
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#include <9pclient.h>
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#include <plumb.h>
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#include <libsec.h>
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#include "dat.h"
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#include "fns.h"
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CFid *plumbsendfid;
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CFid *plumbeditfid;
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Window* openfile(Text*, Expand*);
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int nuntitled;
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void
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plumbthread(void *v)
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{
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CFid *fid;
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Plumbmsg *m;
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Timer *t;
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USED(v);
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threadsetname("plumbproc");
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/*
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* Loop so that if plumber is restarted, acme need not be.
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*/
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for(;;){
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/*
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* Connect to plumber.
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*/
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plumbunmount();
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while((fid = plumbopenfid("edit", OREAD|OCEXEC)) == nil){
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t = timerstart(2000);
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recv(t->c, nil);
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timerstop(t);
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}
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plumbeditfid = fid;
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plumbsendfid = plumbopenfid("send", OWRITE|OCEXEC);
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/*
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* Relay messages.
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*/
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for(;;){
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m = plumbrecvfid(plumbeditfid);
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if(m == nil)
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break;
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sendp(cplumb, m);
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}
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/*
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* Lost connection.
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*/
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fid = plumbsendfid;
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plumbsendfid = nil;
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fsclose(fid);
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fid = plumbeditfid;
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plumbeditfid = nil;
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fsclose(fid);
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}
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}
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void
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startplumbing(void)
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{
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cplumb = chancreate(sizeof(Plumbmsg*), 0);
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chansetname(cplumb, "cplumb");
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threadcreate(plumbthread, nil, STACK);
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}
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void
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look3(Text *t, uint q0, uint q1, int external)
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{
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int n, c, f, expanded;
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Text *ct;
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Expand e;
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Rune *r;
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uint p;
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Plumbmsg *m;
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Runestr dir;
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char buf[32];
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ct = seltext;
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if(ct == nil)
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seltext = t;
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expanded = expand(t, q0, q1, &e);
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if(!external && t->w!=nil && t->w->nopen[QWevent]>0){
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/* send alphanumeric expansion to external client */
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if(expanded == FALSE)
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return;
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f = 0;
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if((e.u.at!=nil && t->w!=nil) || (e.nname>0 && lookfile(e.name, e.nname)!=nil))
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f = 1; /* acme can do it without loading a file */
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if(q0!=e.q0 || q1!=e.q1)
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f |= 2; /* second (post-expand) message follows */
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if(e.nname)
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f |= 4; /* it's a file name */
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c = 'l';
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if(t->what == Body)
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c = 'L';
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n = q1-q0;
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if(n <= EVENTSIZE){
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r = runemalloc(n);
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bufread(&t->file->b, q0, r, n);
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winevent(t->w, "%c%d %d %d %d %.*S\n", c, q0, q1, f, n, n, r);
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free(r);
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}else
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winevent(t->w, "%c%d %d %d 0 \n", c, q0, q1, f, n);
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if(q0==e.q0 && q1==e.q1)
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return;
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if(e.nname){
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n = e.nname;
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if(e.a1 > e.a0)
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n += 1+(e.a1-e.a0);
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r = runemalloc(n);
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runemove(r, e.name, e.nname);
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if(e.a1 > e.a0){
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r[e.nname] = ':';
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bufread(&e.u.at->file->b, e.a0, r+e.nname+1, e.a1-e.a0);
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}
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}else{
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n = e.q1 - e.q0;
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r = runemalloc(n);
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bufread(&t->file->b, e.q0, r, n);
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}
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f &= ~2;
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if(n <= EVENTSIZE)
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winevent(t->w, "%c%d %d %d %d %.*S\n", c, e.q0, e.q1, f, n, n, r);
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else
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winevent(t->w, "%c%d %d %d 0 \n", c, e.q0, e.q1, f, n);
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free(r);
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goto Return;
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}
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if(plumbsendfid != nil){
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/* send whitespace-delimited word to plumber */
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m = emalloc(sizeof(Plumbmsg));
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m->src = estrdup("acme");
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m->dst = nil;
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dir = dirname(t, nil, 0);
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if(dir.nr==1 && dir.r[0]=='.'){ /* sigh */
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free(dir.r);
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dir.r = nil;
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dir.nr = 0;
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}
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if(dir.nr == 0)
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m->wdir = estrdup(wdir);
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else
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m->wdir = runetobyte(dir.r, dir.nr);
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free(dir.r);
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m->type = estrdup("text");
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m->attr = nil;
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buf[0] = '\0';
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if(q1 == q0){
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if(t->q1>t->q0 && t->q0<=q0 && q0<=t->q1){
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q0 = t->q0;
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q1 = t->q1;
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}else{
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p = q0;
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while(q0>0 && (c=tgetc(t, q0-1))!=' ' && c!='\t' && c!='\n')
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q0--;
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while(q1<t->file->b.nc && (c=tgetc(t, q1))!=' ' && c!='\t' && c!='\n')
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q1++;
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if(q1 == q0){
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plumbfree(m);
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goto Return;
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}
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sprint(buf, "click=%d", p-q0);
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m->attr = plumbunpackattr(buf);
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}
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}
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r = runemalloc(q1-q0);
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bufread(&t->file->b, q0, r, q1-q0);
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m->data = runetobyte(r, q1-q0);
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m->ndata = strlen(m->data);
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free(r);
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if(m->ndata<messagesize-1024 && plumbsendtofid(plumbsendfid, m) >= 0){
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plumbfree(m);
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goto Return;
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}
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plumbfree(m);
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/* plumber failed to match; fall through */
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}
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/* interpret alphanumeric string ourselves */
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if(expanded == FALSE)
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return;
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if(e.name || e.u.at)
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openfile(t, &e);
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else{
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if(t->w == nil)
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return;
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ct = &t->w->body;
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if(t->w != ct->w)
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winlock(ct->w, 'M');
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if(t == ct)
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textsetselect(ct, e.q1, e.q1);
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n = e.q1 - e.q0;
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r = runemalloc(n);
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bufread(&t->file->b, e.q0, r, n);
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if(search(ct, r, n) && e.jump)
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moveto(mousectl, addpt(frptofchar(&ct->fr, ct->fr.p0), Pt(4, ct->fr.font->height-4)));
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if(t->w != ct->w)
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winunlock(ct->w);
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free(r);
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}
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Return:
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free(e.name);
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free(e.bname);
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}
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int
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plumbgetc(void *a, uint n)
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{
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Rune *r;
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r = a;
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if(n>runestrlen(r))
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return 0;
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return r[n];
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}
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void
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plumblook(Plumbmsg *m)
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{
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Expand e;
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char *addr;
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if(m->ndata >= BUFSIZE){
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warning(nil, "insanely long file name (%d bytes) in plumb message (%.32s...)\n", m->ndata, m->data);
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return;
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}
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e.q0 = 0;
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e.q1 = 0;
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if(m->data[0] == '\0')
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return;
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e.u.ar = nil;
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e.bname = m->data;
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e.name = bytetorune(e.bname, &e.nname);
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e.jump = TRUE;
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e.a0 = 0;
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e.a1 = 0;
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addr = plumblookup(m->attr, "addr");
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if(addr != nil){
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e.u.ar = bytetorune(addr, &e.a1);
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e.agetc = plumbgetc;
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}
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drawtopwindow();
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openfile(nil, &e);
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free(e.name);
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free(e.u.at);
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}
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void
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plumbshow(Plumbmsg *m)
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{
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Window *w;
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Rune rb[256], *r;
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int nb, nr;
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Runestr rs;
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char *name, *p, namebuf[16];
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drawtopwindow();
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w = makenewwindow(nil);
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name = plumblookup(m->attr, "filename");
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if(name == nil){
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name = namebuf;
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nuntitled++;
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snprint(namebuf, sizeof namebuf, "Untitled-%d", nuntitled);
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}
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p = nil;
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if(name[0]!='/' && m->wdir!=nil && m->wdir[0]!='\0'){
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nb = strlen(m->wdir) + 1 + strlen(name) + 1;
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p = emalloc(nb);
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snprint(p, nb, "%s/%s", m->wdir, name);
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name = p;
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}
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cvttorunes(name, strlen(name), rb, &nb, &nr, nil);
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free(p);
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rs = cleanrname(runestr(rb, nr));
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winsetname(w, rs.r, rs.nr);
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r = runemalloc(m->ndata);
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cvttorunes(m->data, m->ndata, r, &nb, &nr, nil);
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textinsert(&w->body, 0, r, nr, TRUE);
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free(r);
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w->body.file->mod = FALSE;
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w->dirty = FALSE;
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winsettag(w);
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textscrdraw(&w->body);
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textsetselect(&w->tag, w->tag.file->b.nc, w->tag.file->b.nc);
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xfidlog(w, "new");
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}
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int
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search(Text *ct, Rune *r, uint n)
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{
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uint q, nb, maxn;
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int around;
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Rune *s, *b, *c;
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if(n==0 || n>ct->file->b.nc)
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return FALSE;
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if(2*n > RBUFSIZE){
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warning(nil, "string too long\n");
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return FALSE;
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}
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maxn = max(2*n, RBUFSIZE);
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s = fbufalloc();
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b = s;
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nb = 0;
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b[nb] = 0;
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around = 0;
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q = ct->q1;
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for(;;){
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if(q >= ct->file->b.nc){
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q = 0;
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around = 1;
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nb = 0;
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b[nb] = 0;
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}
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if(nb > 0){
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c = runestrchr(b, r[0]);
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if(c == nil){
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q += nb;
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nb = 0;
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b[nb] = 0;
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if(around && q>=ct->q1)
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break;
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continue;
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}
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q += (c-b);
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nb -= (c-b);
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b = c;
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}
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/* reload if buffer covers neither string nor rest of file */
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if(nb<n && nb!=ct->file->b.nc-q){
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nb = ct->file->b.nc-q;
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if(nb >= maxn)
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nb = maxn-1;
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bufread(&ct->file->b, q, s, nb);
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b = s;
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b[nb] = '\0';
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}
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/* this runeeq is fishy but the null at b[nb] makes it safe */
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if(runeeq(b, n, r, n)==TRUE){
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if(ct->w){
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textshow(ct, q, q+n, 1);
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winsettag(ct->w);
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}else{
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ct->q0 = q;
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ct->q1 = q+n;
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}
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seltext = ct;
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fbuffree(s);
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return TRUE;
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}
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--nb;
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b++;
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q++;
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if(around && q>=ct->q1)
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break;
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}
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fbuffree(s);
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return FALSE;
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}
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int
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isfilec(Rune r)
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{
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static Rune Lx[] = { '.', '-', '+', '/', ':', 0 };
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if(isalnum(r))
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return TRUE;
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if(runestrchr(Lx, r))
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return TRUE;
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return FALSE;
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}
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/* Runestr wrapper for cleanname */
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Runestr
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cleanrname(Runestr rs)
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{
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char *s;
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int nb, nulls;
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s = runetobyte(rs.r, rs.nr);
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cleanname(s);
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cvttorunes(s, strlen(s), rs.r, &nb, &rs.nr, &nulls);
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free(s);
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return rs;
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}
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Runestr
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includefile(Rune *dir, Rune *file, int nfile)
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{
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int m, n;
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char *a;
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Rune *r;
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static Rune Lslash[] = { '/', 0 };
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m = runestrlen(dir);
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a = emalloc((m+1+nfile)*UTFmax+1);
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sprint(a, "%S/%.*S", dir, nfile, file);
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n = access(a, 0);
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free(a);
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if(n < 0)
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return runestr(nil, 0);
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r = runemalloc(m+1+nfile);
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runemove(r, dir, m);
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runemove(r+m, Lslash, 1);
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runemove(r+m+1, file, nfile);
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free(file);
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return cleanrname(runestr(r, m+1+nfile));
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}
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static Rune *objdir;
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Runestr
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includename(Text *t, Rune *r, int n)
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{
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Window *w;
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char buf[128];
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Rune Lsysinclude[] = { '/', 's', 'y', 's', '/', 'i', 'n', 'c', 'l', 'u', 'd', 'e', 0 };
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Rune Lusrinclude[] = { '/', 'u', 's', 'r', '/', 'i', 'n', 'c', 'l', 'u', 'd', 'e', 0 };
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||
|
Rune Lusrlocalinclude[] = { '/', 'u', 's', 'r', '/', 'l', 'o', 'c', 'a', 'l',
|
||
|
'/', 'i', 'n', 'c', 'l', 'u', 'd', 'e', 0 };
|
||
|
Rune Lusrlocalplan9include[] = { '/', 'u', 's', 'r', '/', 'l', 'o', 'c', 'a', 'l',
|
||
|
'/', 'p', 'l', 'a', 'n', '9', '/', 'i', 'n', 'c', 'l', 'u', 'd', 'e', 0 };
|
||
|
Runestr file;
|
||
|
int i;
|
||
|
|
||
|
if(objdir==nil && objtype!=nil){
|
||
|
sprint(buf, "/%s/include", objtype);
|
||
|
objdir = bytetorune(buf, &i);
|
||
|
objdir = runerealloc(objdir, i+1);
|
||
|
objdir[i] = '\0';
|
||
|
}
|
||
|
|
||
|
w = t->w;
|
||
|
if(n==0 || r[0]=='/' || w==nil)
|
||
|
goto Rescue;
|
||
|
if(n>2 && r[0]=='.' && r[1]=='/')
|
||
|
goto Rescue;
|
||
|
file.r = nil;
|
||
|
file.nr = 0;
|
||
|
for(i=0; i<w->nincl && file.r==nil; i++)
|
||
|
file = includefile(w->incl[i], r, n);
|
||
|
|
||
|
if(file.r == nil)
|
||
|
file = includefile(Lsysinclude, r, n);
|
||
|
if(file.r == nil)
|
||
|
file = includefile(Lusrlocalplan9include, r, n);
|
||
|
if(file.r == nil)
|
||
|
file = includefile(Lusrlocalinclude, r, n);
|
||
|
if(file.r == nil)
|
||
|
file = includefile(Lusrinclude, r, n);
|
||
|
if(file.r==nil && objdir!=nil)
|
||
|
file = includefile(objdir, r, n);
|
||
|
if(file.r == nil)
|
||
|
goto Rescue;
|
||
|
return file;
|
||
|
|
||
|
Rescue:
|
||
|
return runestr(r, n);
|
||
|
}
|
||
|
|
||
|
Runestr
|
||
|
dirname(Text *t, Rune *r, int n)
|
||
|
{
|
||
|
Rune *b, c;
|
||
|
uint m, nt;
|
||
|
int slash;
|
||
|
Runestr tmp;
|
||
|
|
||
|
b = nil;
|
||
|
if(t==nil || t->w==nil)
|
||
|
goto Rescue;
|
||
|
nt = t->w->tag.file->b.nc;
|
||
|
if(nt == 0)
|
||
|
goto Rescue;
|
||
|
if(n>=1 && r[0]=='/')
|
||
|
goto Rescue;
|
||
|
b = runemalloc(nt+n+1);
|
||
|
bufread(&t->w->tag.file->b, 0, b, nt);
|
||
|
slash = -1;
|
||
|
for(m=0; m<nt; m++){
|
||
|
c = b[m];
|
||
|
if(c == '/')
|
||
|
slash = m;
|
||
|
if(c==' ' || c=='\t')
|
||
|
break;
|
||
|
}
|
||
|
if(slash < 0)
|
||
|
goto Rescue;
|
||
|
runemove(b+slash+1, r, n);
|
||
|
free(r);
|
||
|
return cleanrname(runestr(b, slash+1+n));
|
||
|
|
||
|
Rescue:
|
||
|
free(b);
|
||
|
tmp = runestr(r, n);
|
||
|
if(r)
|
||
|
return cleanrname(tmp);
|
||
|
return tmp;
|
||
|
}
|
||
|
|
||
|
static int
|
||
|
texthas(Text *t, uint q0, Rune *r)
|
||
|
{
|
||
|
int i;
|
||
|
|
||
|
if((int)q0 < 0)
|
||
|
return FALSE;
|
||
|
for(i=0; r[i]; i++)
|
||
|
if(q0+i >= t->file->b.nc || textreadc(t, q0+i) != r[i])
|
||
|
return FALSE;
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
int
|
||
|
expandfile(Text *t, uint q0, uint q1, Expand *e)
|
||
|
{
|
||
|
int i, n, nname, colon, eval;
|
||
|
uint amin, amax;
|
||
|
Rune *r, c;
|
||
|
Window *w;
|
||
|
Runestr rs;
|
||
|
Rune Lhttpcss[] = {'h', 't', 't', 'p', ':', '/', '/', 0};
|
||
|
Rune Lhttpscss[] = {'h', 't', 't', 'p', 's', ':', '/', '/', 0};
|
||
|
|
||
|
amax = q1;
|
||
|
if(q1 == q0){
|
||
|
colon = -1;
|
||
|
while(q1<t->file->b.nc && isfilec(c=textreadc(t, q1))){
|
||
|
if(c == ':' && !texthas(t, q1-4, Lhttpcss) && !texthas(t, q1-5, Lhttpscss)){
|
||
|
colon = q1;
|
||
|
break;
|
||
|
}
|
||
|
q1++;
|
||
|
}
|
||
|
while(q0>0 && (isfilec(c=textreadc(t, q0-1)) || isaddrc(c) || isregexc(c))){
|
||
|
q0--;
|
||
|
if(colon<0 && c==':' && !texthas(t, q0-4, Lhttpcss) && !texthas(t, q0-5, Lhttpscss))
|
||
|
colon = q0;
|
||
|
}
|
||
|
/*
|
||
|
* if it looks like it might begin file: , consume address chars after :
|
||
|
* otherwise terminate expansion at :
|
||
|
*/
|
||
|
if(colon >= 0){
|
||
|
q1 = colon;
|
||
|
if(colon<t->file->b.nc-1 && isaddrc(textreadc(t, colon+1))){
|
||
|
q1 = colon+1;
|
||
|
while(q1<t->file->b.nc && isaddrc(textreadc(t, q1)))
|
||
|
q1++;
|
||
|
}
|
||
|
}
|
||
|
if(q1 > q0)
|
||
|
if(colon >= 0){ /* stop at white space */
|
||
|
for(amax=colon+1; amax<t->file->b.nc; amax++)
|
||
|
if((c=textreadc(t, amax))==' ' || c=='\t' || c=='\n')
|
||
|
break;
|
||
|
}else
|
||
|
amax = t->file->b.nc;
|
||
|
}
|
||
|
amin = amax;
|
||
|
e->q0 = q0;
|
||
|
e->q1 = q1;
|
||
|
n = q1-q0;
|
||
|
if(n == 0)
|
||
|
return FALSE;
|
||
|
/* see if it's a file name */
|
||
|
r = runemalloc(n+1);
|
||
|
bufread(&t->file->b, q0, r, n);
|
||
|
r[n] = 0;
|
||
|
/* is it a URL? look for http:// and https:// prefix */
|
||
|
if(runestrncmp(r, Lhttpcss, 7) == 0 || runestrncmp(r, Lhttpscss, 8) == 0){
|
||
|
// Avoid capturing end-of-sentence punctuation.
|
||
|
if(r[n-1] == '.') {
|
||
|
e->q1--;
|
||
|
n--;
|
||
|
}
|
||
|
e->name = r;
|
||
|
e->nname = n;
|
||
|
e->u.at = t;
|
||
|
e->a0 = e->q1;
|
||
|
e->a1 = e->q1;
|
||
|
return TRUE;
|
||
|
}
|
||
|
/* first, does it have bad chars? */
|
||
|
nname = -1;
|
||
|
for(i=0; i<n; i++){
|
||
|
c = r[i];
|
||
|
if(c==':' && nname<0){
|
||
|
if(q0+i+1<t->file->b.nc && (i==n-1 || isaddrc(textreadc(t, q0+i+1))))
|
||
|
amin = q0+i;
|
||
|
else
|
||
|
goto Isntfile;
|
||
|
nname = i;
|
||
|
}
|
||
|
}
|
||
|
if(nname == -1)
|
||
|
nname = n;
|
||
|
for(i=0; i<nname; i++)
|
||
|
if(!isfilec(r[i]))
|
||
|
goto Isntfile;
|
||
|
/*
|
||
|
* See if it's a file name in <>, and turn that into an include
|
||
|
* file name if so. Should probably do it for "" too, but that's not
|
||
|
* restrictive enough syntax and checking for a #include earlier on the
|
||
|
* line would be silly.
|
||
|
*/
|
||
|
if(q0>0 && textreadc(t, q0-1)=='<' && q1<t->file->b.nc && textreadc(t, q1)=='>'){
|
||
|
rs = includename(t, r, nname);
|
||
|
r = rs.r;
|
||
|
nname = rs.nr;
|
||
|
}
|
||
|
else if(amin == q0)
|
||
|
goto Isfile;
|
||
|
else{
|
||
|
rs = dirname(t, r, nname);
|
||
|
r = rs.r;
|
||
|
nname = rs.nr;
|
||
|
}
|
||
|
e->bname = runetobyte(r, nname);
|
||
|
/* if it's already a window name, it's a file */
|
||
|
w = lookfile(r, nname);
|
||
|
if(w != nil)
|
||
|
goto Isfile;
|
||
|
/* if it's the name of a file, it's a file */
|
||
|
if(ismtpt(e->bname) || access(e->bname, 0) < 0){
|
||
|
free(e->bname);
|
||
|
e->bname = nil;
|
||
|
goto Isntfile;
|
||
|
}
|
||
|
|
||
|
Isfile:
|
||
|
e->name = r;
|
||
|
e->nname = nname;
|
||
|
e->u.at = t;
|
||
|
e->a0 = amin+1;
|
||
|
eval = FALSE;
|
||
|
address(TRUE, nil, range(-1,-1), range(0,0), t, e->a0, amax, tgetc, &eval, (uint*)&e->a1);
|
||
|
return TRUE;
|
||
|
|
||
|
Isntfile:
|
||
|
free(r);
|
||
|
return FALSE;
|
||
|
}
|
||
|
|
||
|
int
|
||
|
expand(Text *t, uint q0, uint q1, Expand *e)
|
||
|
{
|
||
|
memset(e, 0, sizeof *e);
|
||
|
e->agetc = tgetc;
|
||
|
/* if in selection, choose selection */
|
||
|
e->jump = TRUE;
|
||
|
if(q1==q0 && t->q1>t->q0 && t->q0<=q0 && q0<=t->q1){
|
||
|
q0 = t->q0;
|
||
|
q1 = t->q1;
|
||
|
if(t->what == Tag)
|
||
|
e->jump = FALSE;
|
||
|
}
|
||
|
|
||
|
if(expandfile(t, q0, q1, e))
|
||
|
return TRUE;
|
||
|
|
||
|
if(q0 == q1){
|
||
|
while(q1<t->file->b.nc && isalnum(textreadc(t, q1)))
|
||
|
q1++;
|
||
|
while(q0>0 && isalnum(textreadc(t, q0-1)))
|
||
|
q0--;
|
||
|
}
|
||
|
e->q0 = q0;
|
||
|
e->q1 = q1;
|
||
|
return q1 > q0;
|
||
|
}
|
||
|
|
||
|
Window*
|
||
|
lookfile(Rune *s, int n)
|
||
|
{
|
||
|
int i, j, k;
|
||
|
Window *w;
|
||
|
Column *c;
|
||
|
Text *t;
|
||
|
|
||
|
/* avoid terminal slash on directories */
|
||
|
if(n>1 && s[n-1] == '/')
|
||
|
--n;
|
||
|
for(j=0; j<row.ncol; j++){
|
||
|
c = row.col[j];
|
||
|
for(i=0; i<c->nw; i++){
|
||
|
w = c->w[i];
|
||
|
t = &w->body;
|
||
|
k = t->file->nname;
|
||
|
if(k>1 && t->file->name[k-1] == '/')
|
||
|
k--;
|
||
|
if(runeeq(t->file->name, k, s, n)){
|
||
|
w = w->body.file->curtext->w;
|
||
|
if(w->col != nil) /* protect against race deleting w */
|
||
|
return w;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
return nil;
|
||
|
}
|
||
|
|
||
|
Window*
|
||
|
lookid(int id, int dump)
|
||
|
{
|
||
|
int i, j;
|
||
|
Window *w;
|
||
|
Column *c;
|
||
|
|
||
|
for(j=0; j<row.ncol; j++){
|
||
|
c = row.col[j];
|
||
|
for(i=0; i<c->nw; i++){
|
||
|
w = c->w[i];
|
||
|
if(dump && w->dumpid == id)
|
||
|
return w;
|
||
|
if(!dump && w->id == id)
|
||
|
return w;
|
||
|
}
|
||
|
}
|
||
|
return nil;
|
||
|
}
|
||
|
|
||
|
|
||
|
Window*
|
||
|
openfile(Text *t, Expand *e)
|
||
|
{
|
||
|
Range r;
|
||
|
Window *w, *ow;
|
||
|
int eval, i, n;
|
||
|
Rune *rp;
|
||
|
Runestr rs;
|
||
|
uint dummy;
|
||
|
|
||
|
r.q0 = 0;
|
||
|
r.q1 = 0;
|
||
|
if(e->nname == 0){
|
||
|
w = t->w;
|
||
|
if(w == nil)
|
||
|
return nil;
|
||
|
}else{
|
||
|
w = lookfile(e->name, e->nname);
|
||
|
if(w == nil && e->name[0] != '/'){
|
||
|
/*
|
||
|
* Unrooted path in new window.
|
||
|
* This can happen if we type a pwd-relative path
|
||
|
* in the topmost tag or the column tags.
|
||
|
* Most of the time plumber takes care of these,
|
||
|
* but plumber might not be running or might not
|
||
|
* be configured to accept plumbed directories.
|
||
|
* Make the name a full path, just like we would if
|
||
|
* opening via the plumber.
|
||
|
*/
|
||
|
n = utflen(wdir)+1+e->nname+1;
|
||
|
rp = runemalloc(n);
|
||
|
runesnprint(rp, n, "%s/%.*S", wdir, e->nname, e->name);
|
||
|
rs = cleanrname(runestr(rp, n-1));
|
||
|
free(e->name);
|
||
|
e->name = rs.r;
|
||
|
e->nname = rs.nr;
|
||
|
w = lookfile(e->name, e->nname);
|
||
|
}
|
||
|
}
|
||
|
if(w){
|
||
|
t = &w->body;
|
||
|
if(!t->col->safe && t->fr.maxlines==0) /* window is obscured by full-column window */
|
||
|
colgrow(t->col, t->col->w[0], 1);
|
||
|
}else{
|
||
|
ow = nil;
|
||
|
if(t)
|
||
|
ow = t->w;
|
||
|
w = makenewwindow(t);
|
||
|
t = &w->body;
|
||
|
winsetname(w, e->name, e->nname);
|
||
|
if(textload(t, 0, e->bname, 1) >= 0)
|
||
|
t->file->unread = FALSE;
|
||
|
t->file->mod = FALSE;
|
||
|
t->w->dirty = FALSE;
|
||
|
winsettag(t->w);
|
||
|
textsetselect(&t->w->tag, t->w->tag.file->b.nc, t->w->tag.file->b.nc);
|
||
|
if(ow != nil){
|
||
|
for(i=ow->nincl; --i>=0; ){
|
||
|
n = runestrlen(ow->incl[i]);
|
||
|
rp = runemalloc(n);
|
||
|
runemove(rp, ow->incl[i], n);
|
||
|
winaddincl(w, rp, n);
|
||
|
}
|
||
|
w->autoindent = ow->autoindent;
|
||
|
}else
|
||
|
w->autoindent = globalautoindent;
|
||
|
xfidlog(w, "new");
|
||
|
}
|
||
|
if(e->a1 == e->a0)
|
||
|
eval = FALSE;
|
||
|
else{
|
||
|
eval = TRUE;
|
||
|
r = address(TRUE, t, range(-1,-1), range(t->q0, t->q1), e->u.at, e->a0, e->a1, e->agetc, &eval, &dummy);
|
||
|
if(r.q0 > r.q1) {
|
||
|
eval = FALSE;
|
||
|
warning(nil, "addresses out of order\n");
|
||
|
}
|
||
|
if(eval == FALSE)
|
||
|
e->jump = FALSE; /* don't jump if invalid address */
|
||
|
}
|
||
|
if(eval == FALSE){
|
||
|
r.q0 = t->q0;
|
||
|
r.q1 = t->q1;
|
||
|
}
|
||
|
textshow(t, r.q0, r.q1, 1);
|
||
|
winsettag(t->w);
|
||
|
seltext = t;
|
||
|
if(e->jump)
|
||
|
moveto(mousectl, addpt(frptofchar(&t->fr, t->fr.p0), Pt(4, font->height-4)));
|
||
|
return w;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
new(Text *et, Text *t, Text *argt, int flag1, int flag2, Rune *arg, int narg)
|
||
|
{
|
||
|
int ndone;
|
||
|
Rune *a, *f;
|
||
|
int na, nf;
|
||
|
Expand e;
|
||
|
Runestr rs;
|
||
|
Window *w;
|
||
|
|
||
|
getarg(argt, FALSE, TRUE, &a, &na);
|
||
|
if(a){
|
||
|
new(et, t, nil, flag1, flag2, a, na);
|
||
|
if(narg == 0)
|
||
|
return;
|
||
|
}
|
||
|
/* loop condition: *arg is not a blank */
|
||
|
for(ndone=0; ; ndone++){
|
||
|
a = findbl(arg, narg, &na);
|
||
|
if(a == arg){
|
||
|
if(ndone==0 && et->col!=nil) {
|
||
|
w = coladd(et->col, nil, nil, -1);
|
||
|
winsettag(w);
|
||
|
xfidlog(w, "new");
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
nf = narg-na;
|
||
|
f = runemalloc(nf);
|
||
|
runemove(f, arg, nf);
|
||
|
rs = dirname(et, f, nf);
|
||
|
memset(&e, 0, sizeof e);
|
||
|
e.name = rs.r;
|
||
|
e.nname = rs.nr;
|
||
|
e.bname = runetobyte(rs.r, rs.nr);
|
||
|
e.jump = TRUE;
|
||
|
openfile(et, &e);
|
||
|
free(e.name);
|
||
|
free(e.bname);
|
||
|
arg = skipbl(a, na, &narg);
|
||
|
}
|
||
|
}
|