ref: 8164505a0df98c04b04ae40eb0780bbadf710e1d
parent: efd1615c5741a6898853fefc24b1cbcb734e5477
author: henesy <devnull@localhost>
date: Wed Oct 2 21:02:17 EDT 2019
add ind and unind for use in acme from petes a+.b and a-.b
--- a/.hgignore
+++ b/.hgignore
@@ -59,6 +59,7 @@
^dis/*/.*.dis
^appl/.*.dis
^appl/.*.sbl
+^acme/dis/.*.dis
^tmp/.*
^contrib/.*
^usr/\.*
--- /dev/null
+++ b/appl/acme/acme/bin/src/ind.b
@@ -1,0 +1,49 @@
+implement APlus;
+
+include "sys.m"; sys: Sys;
+include "draw.m";
+include "bufio.m"; bufio: Bufio;
+ Iobuf: import bufio;
+
+APlus: module {+ init: fn(nil: ref Draw->Context, args: list of string);
+};
+
+pname: string;
+
+init(nil: ref Draw->Context, args: list of string)
+{+ sys = load Sys Sys->PATH;
+ bufio = load Bufio Bufio->PATH;
+
+ indents := "\t";
+
+ if(args != nil) {+ pname = hd args;
+ args = tl args;
+ } else {+ pname = "a+";
+ }
+
+ if(args != nil)
+ indents = hd args;
+
+ indent(indents);
+}
+
+indent(s: string)
+{+ stdin := bufio->fopen(sys->fildes(0), bufio->OREAD);
+ if(stdin == nil) {+ sys->fprint(sys->fildes(2), "%s: Couldn't create a bufio: %r\n", pname);
+ raise "fail:errors";
+ }
+
+ while((line := stdin.gets('\n')) != nil) {+ if(line == "\n") {+ sys->print("\n");+ } else {+ sys->print("%s%s", s, line);+ }
+ }
+}
--- a/appl/acme/acme/bin/src/mkfile
+++ b/appl/acme/acme/bin/src/mkfile
@@ -9,6 +9,8 @@
spout.dis\
awd.dis\
cd.dis\
+ ind.dis\
+ unind.dis\
MODULES=\
--- /dev/null
+++ b/appl/acme/acme/bin/src/unind.b
@@ -1,0 +1,47 @@
+implement AMinus;
+
+include "sys.m"; sys: Sys;
+include "draw.m";
+include "bufio.m"; bufio: Bufio;
+ Iobuf: import bufio;
+
+AMinus: module {+ init: fn(nil: ref Draw->Context, args: list of string);
+};
+
+pname: string;
+
+init(nil: ref Draw->Context, args: list of string)
+{+ sys = load Sys Sys->PATH;
+ bufio = load Bufio Bufio->PATH;
+
+ indents := "\t";
+
+ if(args != nil) {+ pname = hd args;
+ args = tl args;
+ } else {+ pname = "a-";
+ }
+
+ if(args != nil)
+ indents = hd args;
+
+ unindent(indents);
+}
+
+unindent(s: string)
+{+ stdin := bufio->fopen(sys->fildes(0), bufio->OREAD);
+ if(stdin == nil) {+ sys->fprint(sys->fildes(2), "%s: Couldn't create a bufio: %r\n", pname);
+ raise "fail:errors";
+ }
+
+ while((line := stdin.gets('\n')) != nil) {+ if(len line >= len s && line[0:len s] == s)
+ line = line[len s:];
+ sys->print("%s", line);+ }
+}