aboutsummaryrefslogtreecommitdiff
path: root/src/interp/ht-root.boot
blob: 7fbff9dd67d731011ca41f7cd3e345b5dbb4e3dd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
-- Copyright (c) 1991-2002, The Numerical Algorithms Group Ltd.
-- All rights reserved.
-- Copyright (C) 2007-2009, Gabriel Dos Reis.
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions are
-- met:
--
--     - Redistributions of source code must retain the above copyright
--       notice, this list of conditions and the following disclaimer.
--
--     - Redistributions in binary form must reproduce the above copyright
--       notice, this list of conditions and the following disclaimer in
--       the documentation and/or other materials provided with the
--       distribution.
--
--     - Neither the name of The Numerical Algorithms Group Ltd. nor the
--       names of its contributors may be used to endorse or promote products
--       derived from this software without specific prior written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
-- IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
-- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


import ht_-util
namespace BOOT

$historyDisplayWidth := 120
$newline := char 10

downlink page ==
  $saturn => downlinkSaturn page
  htInitPage('"Bridge",nil)
  htSay('"\replacepage{", page, '"}")
  htShowPage()

downlinkSaturn fn ==
  u := dbReadLines(fn)
  lines := '""
  while u is [line,:u] repeat
    n := MAXINDEX line
    n < 1 => nil
    line.0 = (char '_%) => nil
    lines := STRCONC(lines,line)
  issueHTSaturn lines

dbNonEmptyPattern pattern ==
  null pattern => '"*"
  pattern := STRINGIMAGE pattern
  #pattern > 0 => pattern
  '"*"

htSystemVariables() == main where
  main() ==
    not $fullScreenSysVars => htSetVars()
    classlevel := $UserLevel
    $levels : local := '(compiler development interpreter)
    $heading  : local := nil
    while classlevel ~= first $levels repeat $levels := rest $levels
    table := nreverse fn($setOptions,nil,true)
    htInitPage('"System Variables",nil)
    htSay '"\beginmenu"
    lastHeading := nil
    for [heading,name,message,.,key,variable,options,func] in table repeat
      htSay('"\newline\item ")
      if heading = lastHeading then htSay '"\tab{8}" else
        htSay(heading,'"\tab{8}")
        lastHeading := heading
      htSay('"{\em ",name,"}\tab{22}",message)
      htSay('"\tab{80}")
      key = 'FUNCTION =>
         null options => htMakePage [['bcLinks,['"reset",'"",func,nil]]]
         [msg,class,var,valuesOrFunction,:.] := first options  --skip first message
         functionTail(name,class,var,valuesOrFunction)
         for option in rest options repeat
           option is ['break,:.] => 'skip
           [msg,class,var,valuesOrFunction,:.] := option
           htSay('"\newline\tab{22}", msg,'"\tab{80}")
           functionTail(name,class,var,valuesOrFunction)
      val := eval variable
      displayOptions(name,key,variable,val,options)
    htSay '"\endmenu"
    htShowPage()
   where
    functionTail(name,class,var,valuesOrFunction) ==
      val := eval var
      atom valuesOrFunction =>
        htMakePage '((domainConditions (isDomain STR (String))))
        htMakePage [['bcLinks,['"reset",'"",'htSetSystemVariableKind,[var,name,nil]]]]
        htMakePage [['bcStrings,[30,STRINGIMAGE val,name,valuesOrFunction]]]
      displayOptions(name,class,var,val,valuesOrFunction)
    displayOptions(name,class,variable,val,options) ==
      class = 'INTEGER =>
        htMakePage [['bcLispLinks,[[['text,options.0,'"-",options.1 or '""]],'"",'htSetSystemVariableKind,[variable,name,'PARSE_-INTEGER]]]]
        htMakePage '((domainConditions (isDomain INT (Integer))))
        htMakePage  [['bcStrings,[5,STRINGIMAGE val,name,'INT]]]
      class = 'STRING =>
        htSay('"{\em ",val,'"}\space{1}")
      for x in options repeat
        val = x or val = true and x = 'on or null val and x = 'off =>
          htSay('"{\em ",x,'"}\space{1}")
        htMakePage [['bcLispLinks,[x,'" ",'htSetSystemVariable,[variable,x]]]]
    fn(t,al,firstTime) ==
      atom t => al
      if firstTime then $heading := opOf first t
      fn(rest t,gn(first t,al),firstTime)
    gn(t,al) ==
      [.,.,class,key,.,options,:.] := t
      not MEMQ(class,$levels) => al
      key = 'LITERALS or key = 'INTEGER or key = 'STRING => [[$heading,:t],:al]
      key = 'TREE => fn(options,al,false)
      key = 'FUNCTION => [[$heading,:t],:al]
      systemError key

htSetSystemVariableKind(htPage,[variable,name,fun]) ==
  value := htpLabelInputString(htPage,name)
  if STRINGP value and fun then value := FUNCALL(fun,value)
--SCM::what to do???  if not FIXP value then userError ???
  setDynamicBinding(variable,value)
  htSystemVariables ()

htSetSystemVariable(htPage,[name,value]) ==
  value :=
    value = 'on => true
    value = 'off => nil
    value
  setDynamicBinding(name,value)
  htSystemVariables ()

htGloss(pattern) == htGlossPage(nil,dbNonEmptyPattern pattern or '"*",true)

htGlossPage(htPage,pattern,tryAgain?) ==
  $wildCard: local := char '_*
  pattern = '"*" => downlink 'GlossaryPage
  filter := pmTransFilter pattern
  grepForm := mkGrepPattern(filter,'none)
  $key: local := 'none
  results := applyGrep(grepForm,'gloss)
  defstream := MAKE_-INSTREAM STRCONC(systemRootDirectory(),'"doc/glossdef.text")
  lines := gatherGlossLines(results,defstream)
  -- removeFile pathname 
  --SHUT instream
  heading :=
    pattern = '"" => '"Glossary"
    null lines => ['"No glossary items match {\em ",pattern,'"}"]
    ['"Glossary items matching {\em ",pattern,'"}"]
  null lines =>
    tryAgain? and #pattern > 0 =>
      (pattern.(k := MAXINDEX(pattern))) = char 's =>
        htGlossPage(htPage,SUBSTRING(pattern,0,k),true)
      UPPER_-CASE_-P pattern.0 =>
        htGlossPage(htPage,DOWNCASE pattern,false)
      errorPage(htPage,['"Sorry",nil,['"\centerline{",:heading,'"}"]])
    errorPage(htPage,['"Sorry",nil,['"\centerline{",:heading,'"}"]])
  htInitPageNoScroll(nil,heading)
  htSay('"\beginscroll\beginmenu")
  for line in lines repeat
    tick := charPosition($tick,line,1)
    htSay('"\item{\em \menuitemstyle{}}\tab{0}{\em ",escapeString SUBSTRING(line,0,tick),'"} ",SUBSTRING(line,tick + 1,nil))
  htSay '"\endmenu "
  htSay '"\endscroll\newline "
  htMakePage [['bcLinks,['"Search",'"",'htGlossSearch,nil]]]
  htSay '" for glossary entry matching "
  htMakePage [['bcStrings, [24,'"*",'filter,'EM]]]
  htShowPageNoScroll()

gatherGlossLines(results,defstream) ==
  acc := nil
  for keyline in results repeat
    --keyline := READLINE instream
    n := charPosition($tick,keyline,0)
    keyAndTick := SUBSTRING(keyline,0,n + 1)
    byteAddress := string2Integer SUBSTRING(keyline,n + 1,nil)
    FILE_-POSITION(defstream,byteAddress)
    line := READLINE defstream
    k := charPosition($tick,line,1)
    pointer := SUBSTRING(line,0,k)
    def := SUBSTRING(line,k + 1,nil)
    xtralines := nil
    while not EOFP defstream and (x := READLINE defstream) and
      (j := charPosition($tick,x,1)) and (nextPointer := SUBSTRING(x,0,j))
        and (nextPointer = pointer) repeat
          xtralines := [SUBSTRING(x,j + 1,nil),:xtralines]
    acc := [STRCONC(keyAndTick,def, "STRCONC"/nreverse xtralines),:acc]
  reverse acc

htGlossSearch(htPage,junk) ==  htGloss htpLabelInputString(htPage,'filter)

htGreekSearch(filter) ==
  ss := dbNonEmptyPattern filter
  s := pmTransFilter ss
  s is ['error,:.] => bcErrorPage s
  not s => errorPage(nil,[['"Missing search string"],nil,
    '"\vspace{2}\centerline{To select one of the greek letters:}\newline ",
      '"\centerline{{\em first} enter a search key into the input area}\newline ",
        '"\centerline{{\em then } move the mouse cursor to the work {\em search} and click}"])
  filter := patternCheck s
  names := '(alpha beta gamma delta epsilon zeta eta theta iota kappa lambda mu nu pi)
  for x in names repeat
    superMatch?(filter,PNAME x) => matches := [x,:matches]
    nonmatches := [x,:nonmatches]
  matches    := nreverse matches
  nonmatches := nreverse nonmatches
  htInitPage('"Greek Names",nil)
  null matches =>
    htInitPage(['"Greek names matching search string {\em ",ss,'"}"],nil)
    htSay("\vspace{2}\centerline{Sorry, but no greek letters match your search string}\centerline{{\em ",ss,"}}\centerline{Click on the up-arrow to try again}")
    htShowPage()
  htInitPage(['"Greek letters matching search string {\em ",ss,'"}"],nil)
  if nonmatches
    then htSay('"The greek letters that {\em match} your search string {\em ",ss,'"}:")
    else htSay('"Your search string {\em ",ss,"} matches all of the greek letters:")
  htSay('"{\em \table{")
  for x in matches repeat htSay('"{",x,'"}")
  htSay('"}}\vspace{1}")
  if nonmatches then
    htSay('"The greek letters that {\em do not match} your search string:{\em \table{")
    for x in nonmatches repeat htSay('"{",x,'"}")
    htSay('"}}")
  htShowPage()

htTextSearch(filter) ==
  s := pmTransFilter dbNonEmptyPattern filter
  s is ['error,:.] => bcErrorPage s
  not s => errorPage(nil,[['"Missing search string"],nil,
    '"\vspace{2}\centerline{To select one of the lines of text:}\newline ",
      '"\centerline{{\em first} enter a search key into the input area}\newline ",
        '"\centerline{{\em then } move the mouse cursor to the work {\em search} and click}"])
  filter := s
  lines := ['"{{\em Fruit flies} *like* a {\em banana and califlower ears.}}",
            '"{{\em Sneak Sears Silas with Savings Snatch}}"]
  for x in lines repeat
    superMatch?(filter,x) => matches := [x,:matches]
    nonmatches := [x,:nonmatches]
  matches    := nreverse matches
  nonmatches := nreverse nonmatches
  htInitPage('"Text Matches",nil)
  null matches =>
    htInitPage(['"Lines matching search string {\em ",s,'"}"],nil)
    htSay("\vspace{2}\centerline{Sorry, but no lines match your search string}\centerline{{\em ",s,"}}\centerline{Click on the up-arrow to try again}")
    htShowPage()
  htInitPage(['"Lines matching search string {\em ",s,'"}"],nil)
  if nonmatches
    then htSay('"The lines that {\em match} your search string {\em ",s,'"}:")
    else htSay('"Your search string {\em ",s,"} matches both lines:")
  htSay('"{\em \table{")
  for x in matches repeat htSay('"{",x,'"}")
  htSay('"}}\vspace{1}")
  if nonmatches then
    htSay('"The line that {\em does not match} your search string:{\em \table{")
    for x in nonmatches repeat htSay('"{",x,'"}")
    htSay('"}}")
  htShowPage()

htTutorialSearch pattern ==
  s := dbNonEmptyPattern pattern or return
    errorPage(nil,['"Empty search key",nil,'"\vspace{3}\centerline{You must enter some search string"])
  s := mkUnixPattern s
  source := '"$AXIOM/share/hypertex/pages/ht.db"
  target :='"/tmp/temp.text.$SPADNUM"
  runCommand STRCONC('"$AXIOM/lib/hthits",'" _"",s,'"_" ",source,'" > ",target)
  lines := dbReadLines 'temp
  htInitPageNoScroll(nil,['"Tutorial Pages mentioning {\em ",pattern,'"}"])
  htSay('"\beginscroll\table{")
  for line in lines repeat
    [name,title,.] := dbParts(line,3,0)
    htSay ['"{\downlink{",title,'"}{",name,'"}}"]
  htSay '"}"
  htShowPage()

mkUnixPattern s ==
  u := mkUpDownPattern s
  starPositions := reverse [i for i in 1..(-1 + MAXINDEX u) | u.i = $wild]
  for i in starPositions repeat
    u := STRCONC(SUBSTRING(u,0,i),'".*",SUBSTRING(u,i + 1,nil))
  if u.0 ~= $wild then u := STRCONC('"[^a-zA-Z]",u)
                  else u := SUBSTRING(u,1,nil)
  if u.(k := MAXINDEX u) ~= $wild then u := STRCONC(u,'"[^a-zA-Z]")
                                  else u := SUBSTRING(u,0,k)
  u