[25] | 1 | ############################################################################## |
---|
| 2 | # man2html2.tcl -- |
---|
| 3 | # |
---|
| 4 | # This file defines procedures that are used during the second pass of the man |
---|
| 5 | # page to html conversion process. It is sourced by man2html.tcl. |
---|
| 6 | # |
---|
| 7 | # Copyright (c) 1996 by Sun Microsystems, Inc. |
---|
| 8 | # |
---|
| 9 | # $Id: man2html2.tcl,v 1.13 2007/12/13 15:28:40 dgp Exp $ |
---|
| 10 | # |
---|
| 11 | |
---|
| 12 | package require Tcl 8.4 |
---|
| 13 | |
---|
| 14 | # Global variables used by these scripts: |
---|
| 15 | # |
---|
| 16 | # NAME_file - array indexed by NAME and containing file names used for |
---|
| 17 | # hyperlinks. |
---|
| 18 | # |
---|
| 19 | # textState - state variable defining action of 'text' proc. |
---|
| 20 | # |
---|
| 21 | # nestStk - stack oriented list containing currently active HTML tags (UL, |
---|
| 22 | # OL, DL). Local to 'nest' proc. |
---|
| 23 | # |
---|
| 24 | # inDT - set by 'TPmacro', cleared by 'newline'. Used to insert the |
---|
| 25 | # tag while in a dictionary list <DL>. |
---|
| 26 | # |
---|
| 27 | # curFont - Name of special font that is currently in use. Null means the |
---|
| 28 | # default paragraph font is being used. |
---|
| 29 | # |
---|
| 30 | # file - Where to output the generated HTML. |
---|
| 31 | # |
---|
| 32 | # fontStart - Array to map font names to starting sequences. |
---|
| 33 | # |
---|
| 34 | # fontEnd - Array to map font names to ending sequences. |
---|
| 35 | # |
---|
| 36 | # noFillCount - Non-zero means don't fill the next $noFillCount lines: force a |
---|
| 37 | # line break at each newline. Zero means filling is enabled, so |
---|
| 38 | # don't output line breaks for each newline. |
---|
| 39 | # |
---|
| 40 | # footer - info inserted at bottom of each page. Normally read from the |
---|
| 41 | # xref.tcl file |
---|
| 42 | |
---|
| 43 | ############################################################################## |
---|
| 44 | # initGlobals -- |
---|
| 45 | # |
---|
| 46 | # This procedure is invoked to set the initial values of all of the global |
---|
| 47 | # variables, before processing a man page. |
---|
| 48 | # |
---|
| 49 | # Arguments: |
---|
| 50 | # None. |
---|
| 51 | |
---|
| 52 | proc initGlobals {} { |
---|
| 53 | global file noFillCount textState |
---|
| 54 | global fontStart fontEnd curFont inPRE charCnt inTable |
---|
| 55 | |
---|
| 56 | nest init |
---|
| 57 | set inPRE 0 |
---|
| 58 | set inTable 0 |
---|
| 59 | set textState 0 |
---|
| 60 | set curFont "" |
---|
| 61 | set fontStart(Code) "<B>" |
---|
| 62 | set fontStart(Emphasis) "<I>" |
---|
| 63 | set fontEnd(Code) "</B>" |
---|
| 64 | set fontEnd(Emphasis) "</I>" |
---|
| 65 | set noFillCount 0 |
---|
| 66 | set charCnt 0 |
---|
| 67 | setTabs 0.5i |
---|
| 68 | } |
---|
| 69 | |
---|
| 70 | ############################################################################## |
---|
| 71 | # beginFont -- |
---|
| 72 | # |
---|
| 73 | # Arranges for future text to use a special font, rather than the default |
---|
| 74 | # paragraph font. |
---|
| 75 | # |
---|
| 76 | # Arguments: |
---|
| 77 | # font - Name of new font to use. |
---|
| 78 | |
---|
| 79 | proc beginFont font { |
---|
| 80 | global curFont file fontStart |
---|
| 81 | |
---|
| 82 | if {$curFont eq $font} { |
---|
| 83 | return |
---|
| 84 | } |
---|
| 85 | endFont |
---|
| 86 | puts -nonewline $file $fontStart($font) |
---|
| 87 | set curFont $font |
---|
| 88 | } |
---|
| 89 | |
---|
| 90 | ############################################################################## |
---|
| 91 | # endFont -- |
---|
| 92 | # |
---|
| 93 | # Reverts to the default font for the paragraph type. |
---|
| 94 | # |
---|
| 95 | # Arguments: |
---|
| 96 | # None. |
---|
| 97 | |
---|
| 98 | proc endFont {} { |
---|
| 99 | global curFont file fontEnd |
---|
| 100 | |
---|
| 101 | if {$curFont ne ""} { |
---|
| 102 | puts -nonewline $file $fontEnd($curFont) |
---|
| 103 | set curFont "" |
---|
| 104 | } |
---|
| 105 | } |
---|
| 106 | |
---|
| 107 | ############################################################################## |
---|
| 108 | # text -- |
---|
| 109 | # |
---|
| 110 | # This procedure adds text to the current paragraph. If this is the first text |
---|
| 111 | # in the paragraph then header information for the paragraph is output before |
---|
| 112 | # the text. |
---|
| 113 | # |
---|
| 114 | # Arguments: |
---|
| 115 | # string - Text to output in the paragraph. |
---|
| 116 | |
---|
| 117 | proc text string { |
---|
| 118 | global file textState inDT charCnt inTable |
---|
| 119 | |
---|
| 120 | set pos [string first "\t" $string] |
---|
| 121 | if {$pos >= 0} { |
---|
| 122 | text [string range $string 0 [expr $pos-1]] |
---|
| 123 | tab |
---|
| 124 | text [string range $string [expr $pos+1] end] |
---|
| 125 | return |
---|
| 126 | } |
---|
| 127 | if {$inTable} { |
---|
| 128 | if {$inTable == 1} { |
---|
| 129 | puts -nonewline $file <TR> |
---|
| 130 | set inTable 2 |
---|
| 131 | } |
---|
| 132 | puts -nonewline $file <TD> |
---|
| 133 | } |
---|
| 134 | incr charCnt [string length $string] |
---|
| 135 | regsub -all {&} $string {\&} string |
---|
| 136 | regsub -all {<} $string {\<} string |
---|
| 137 | regsub -all {>} $string {\>} string |
---|
| 138 | regsub -all \" $string {\"} string |
---|
| 139 | switch -exact -- $textState { |
---|
| 140 | REF { |
---|
| 141 | if {$inDT eq ""} { |
---|
| 142 | set string [insertRef $string] |
---|
| 143 | } |
---|
| 144 | } |
---|
| 145 | SEE { |
---|
| 146 | global NAME_file |
---|
| 147 | foreach i [split $string] { |
---|
| 148 | if {![regexp -nocase {^[a-z_]+} [string trim $i] i]} { |
---|
| 149 | # puts "Warning: $i in SEE ALSO not found" |
---|
| 150 | continue |
---|
| 151 | } |
---|
| 152 | if {![catch { set ref $NAME_file($i) }]} { |
---|
| 153 | regsub $i $string "<A HREF=\"$ref.html\">$i</A>" string |
---|
| 154 | } |
---|
| 155 | } |
---|
| 156 | } |
---|
| 157 | } |
---|
| 158 | puts -nonewline $file "$string" |
---|
| 159 | if {$inTable} { |
---|
| 160 | puts -nonewline $file </TD> |
---|
| 161 | } |
---|
| 162 | } |
---|
| 163 | |
---|
| 164 | ############################################################################## |
---|
| 165 | # insertRef -- |
---|
| 166 | # |
---|
| 167 | # Arguments: |
---|
| 168 | # string - Text to output in the paragraph. |
---|
| 169 | |
---|
| 170 | proc insertRef string { |
---|
| 171 | global NAME_file self |
---|
| 172 | set path {} |
---|
| 173 | if {![catch { set ref $NAME_file([string trim $string]) }]} { |
---|
| 174 | if {"$ref.html" ne $self} { |
---|
| 175 | set string "<A HREF=\"${path}$ref.html\">$string</A>" |
---|
| 176 | # puts "insertRef: $self $ref.html ---$string--" |
---|
| 177 | } |
---|
| 178 | } |
---|
| 179 | return $string |
---|
| 180 | } |
---|
| 181 | |
---|
| 182 | ############################################################################## |
---|
| 183 | # macro -- |
---|
| 184 | # |
---|
| 185 | # This procedure is invoked to process macro invocations that start with "." |
---|
| 186 | # (instead of '). |
---|
| 187 | # |
---|
| 188 | # Arguments: |
---|
| 189 | # name - The name of the macro (without the "."). |
---|
| 190 | # args - Any additional arguments to the macro. |
---|
| 191 | |
---|
| 192 | proc macro {name args} { |
---|
| 193 | switch $name { |
---|
| 194 | AP { |
---|
| 195 | if {[llength $args] != 3} { |
---|
| 196 | puts stderr "Bad .AP macro: .$name [join $args " "]" |
---|
| 197 | } |
---|
| 198 | setTabs {1.25i 2.5i 3.75i} |
---|
| 199 | TPmacro {} |
---|
| 200 | font B |
---|
| 201 | text "[lindex $args 0] " |
---|
| 202 | font I |
---|
| 203 | text "[lindex $args 1]" |
---|
| 204 | font R |
---|
| 205 | text " ([lindex $args 2])" |
---|
| 206 | newline |
---|
| 207 | } |
---|
| 208 | AS {} ;# next page and previous page |
---|
| 209 | br { |
---|
| 210 | lineBreak |
---|
| 211 | } |
---|
| 212 | BS {} |
---|
| 213 | BE {} |
---|
| 214 | CE { |
---|
| 215 | global file noFillCount inPRE |
---|
| 216 | puts $file </PRE></BLOCKQUOTE> |
---|
| 217 | set inPRE 0 |
---|
| 218 | } |
---|
| 219 | CS { ;# code section |
---|
| 220 | global file noFillCount inPRE |
---|
| 221 | puts -nonewline $file <BLOCKQUOTE><PRE> |
---|
| 222 | set inPRE 1 |
---|
| 223 | } |
---|
| 224 | DE { |
---|
| 225 | global file noFillCount inTable |
---|
| 226 | puts $file </TABLE></BLOCKQUOTE> |
---|
| 227 | set inTable 0 |
---|
| 228 | set noFillCount 0 |
---|
| 229 | } |
---|
| 230 | DS { |
---|
| 231 | global file noFillCount inTable |
---|
| 232 | puts -nonewline $file {<BLOCKQUOTE><TABLE BORDER="0">} |
---|
| 233 | set noFillCount 10000000 |
---|
| 234 | set inTable 1 |
---|
| 235 | } |
---|
| 236 | fi { |
---|
| 237 | global noFillCount |
---|
| 238 | set noFillCount 0 |
---|
| 239 | } |
---|
| 240 | IP { |
---|
| 241 | IPmacro $args |
---|
| 242 | } |
---|
| 243 | LP { |
---|
| 244 | nest decr |
---|
| 245 | nest incr |
---|
| 246 | newPara |
---|
| 247 | } |
---|
| 248 | ne { |
---|
| 249 | } |
---|
| 250 | nf { |
---|
| 251 | global noFillCount |
---|
| 252 | set noFillCount 1000000 |
---|
| 253 | } |
---|
| 254 | OP { |
---|
| 255 | global inDT file inPRE |
---|
| 256 | if {[llength $args] != 3} { |
---|
| 257 | puts stderr "Bad .OP macro: .$name [join $args " "]" |
---|
| 258 | } |
---|
| 259 | nest para DL DT |
---|
| 260 | set inPRE 1 |
---|
| 261 | puts -nonewline $file <PRE> |
---|
| 262 | setTabs 4c |
---|
| 263 | text "Command-Line Name:" |
---|
| 264 | tab |
---|
| 265 | font B |
---|
| 266 | set x [lindex $args 0] |
---|
| 267 | regsub -all {\\-} $x - x |
---|
| 268 | text $x |
---|
| 269 | newline |
---|
| 270 | font R |
---|
| 271 | text "Database Name:" |
---|
| 272 | tab |
---|
| 273 | font B |
---|
| 274 | text [lindex $args 1] |
---|
| 275 | newline |
---|
| 276 | font R |
---|
| 277 | text "Database Class:" |
---|
| 278 | tab |
---|
| 279 | font B |
---|
| 280 | text [lindex $args 2] |
---|
| 281 | font R |
---|
| 282 | puts -nonewline $file </PRE> |
---|
| 283 | set inDT "\n<DD>" ;# next newline writes inDT |
---|
| 284 | set inPRE 0 |
---|
| 285 | newline |
---|
| 286 | } |
---|
| 287 | PP { |
---|
| 288 | nest decr |
---|
| 289 | nest incr |
---|
| 290 | newPara |
---|
| 291 | } |
---|
| 292 | RE { |
---|
| 293 | nest decr |
---|
| 294 | } |
---|
| 295 | RS { |
---|
| 296 | nest incr |
---|
| 297 | } |
---|
| 298 | SE { |
---|
| 299 | global noFillCount textState inPRE file |
---|
| 300 | |
---|
| 301 | font R |
---|
| 302 | puts -nonewline $file </PRE> |
---|
| 303 | set inPRE 0 |
---|
| 304 | set noFillCount 0 |
---|
| 305 | nest reset |
---|
| 306 | newPara |
---|
| 307 | text "See the " |
---|
| 308 | font B |
---|
| 309 | set temp $textState |
---|
| 310 | set textState REF |
---|
| 311 | if {[llength $args] > 0} { |
---|
| 312 | text [lindex $args 0] |
---|
| 313 | } else { |
---|
| 314 | text options |
---|
| 315 | } |
---|
| 316 | set textState $temp |
---|
| 317 | font R |
---|
| 318 | text " manual entry for detailed descriptions of the above options." |
---|
| 319 | } |
---|
| 320 | SH { |
---|
| 321 | SHmacro $args |
---|
| 322 | } |
---|
| 323 | SS { |
---|
| 324 | SHmacro $args subsection |
---|
| 325 | } |
---|
| 326 | SO { |
---|
| 327 | global noFillCount inPRE file |
---|
| 328 | |
---|
| 329 | SHmacro "STANDARD OPTIONS" |
---|
| 330 | setTabs {4c 8c 12c} |
---|
| 331 | set noFillCount 1000000 |
---|
| 332 | puts -nonewline $file <PRE> |
---|
| 333 | set inPRE 1 |
---|
| 334 | font B |
---|
| 335 | } |
---|
| 336 | so { |
---|
| 337 | if {$args ne "man.macros"} { |
---|
| 338 | puts stderr "Unknown macro: .$name [join $args " "]" |
---|
| 339 | } |
---|
| 340 | } |
---|
| 341 | sp { ;# needs work |
---|
| 342 | if {$args eq ""} { |
---|
| 343 | set count 1 |
---|
| 344 | } else { |
---|
| 345 | set count [lindex $args 0] |
---|
| 346 | } |
---|
| 347 | while {$count > 0} { |
---|
| 348 | lineBreak |
---|
| 349 | incr count -1 |
---|
| 350 | } |
---|
| 351 | } |
---|
| 352 | ta { |
---|
| 353 | setTabs $args |
---|
| 354 | } |
---|
| 355 | TH { |
---|
| 356 | THmacro $args |
---|
| 357 | } |
---|
| 358 | TP { |
---|
| 359 | TPmacro $args |
---|
| 360 | } |
---|
| 361 | UL { ;# underline |
---|
| 362 | global file |
---|
| 363 | puts -nonewline $file "<B><U>" |
---|
| 364 | text [lindex $args 0] |
---|
| 365 | puts -nonewline $file "</U></B>" |
---|
| 366 | if {[llength $args] == 2} { |
---|
| 367 | text [lindex $args 1] |
---|
| 368 | } |
---|
| 369 | } |
---|
| 370 | VE { |
---|
| 371 | # global file |
---|
| 372 | # puts -nonewline $file "</FONT>" |
---|
| 373 | } |
---|
| 374 | VS { |
---|
| 375 | # global file |
---|
| 376 | # if {[llength $args] > 0} { |
---|
| 377 | # puts -nonewline $file "<BR>" |
---|
| 378 | # } |
---|
| 379 | # puts -nonewline $file "<FONT COLOR=\"GREEN\">" |
---|
| 380 | } |
---|
| 381 | QW { |
---|
| 382 | puts -nonewline $file "&\#147;" |
---|
| 383 | text [lindex $args 0] |
---|
| 384 | puts -nonewline $file "&\#148;" |
---|
| 385 | if {[llength $args] > 1} { |
---|
| 386 | text [lindex $args 1] |
---|
| 387 | } |
---|
| 388 | } |
---|
| 389 | PQ { |
---|
| 390 | puts -nonewline $file "(&\#147;" |
---|
| 391 | if {[lindex $args 0] eq {\N'34'}} { |
---|
| 392 | puts -nonewline $file \" |
---|
| 393 | } else { |
---|
| 394 | text [lindex $args 0] |
---|
| 395 | } |
---|
| 396 | puts -nonewline $file "&\#148;" |
---|
| 397 | if {[llength $args] > 1} { |
---|
| 398 | text [lindex $args 1] |
---|
| 399 | } |
---|
| 400 | puts -nonewline $file ")" |
---|
| 401 | if {[llength $args] > 2} { |
---|
| 402 | text [lindex $args 2] |
---|
| 403 | } |
---|
| 404 | } |
---|
| 405 | QR { |
---|
| 406 | puts -nonewline $file "&\#147;" |
---|
| 407 | text [lindex $args 0] |
---|
| 408 | puts -nonewline $file "&\#148;&\#150;&\#147;" |
---|
| 409 | text [lindex $args 1] |
---|
| 410 | puts -nonewline $file "&\#148;" |
---|
| 411 | if {[llength $args] > 2} { |
---|
| 412 | text [lindex $args 2] |
---|
| 413 | } |
---|
| 414 | } |
---|
| 415 | MT { |
---|
| 416 | puts -nonewline $file "&\#147;&\#148;" |
---|
| 417 | } |
---|
| 418 | default { |
---|
| 419 | puts stderr "Unknown macro: .$name [join $args " "]" |
---|
| 420 | } |
---|
| 421 | } |
---|
| 422 | |
---|
| 423 | # global nestStk; puts "$name [format "%-20s" $args] $nestStk" |
---|
| 424 | # flush stdout; flush stderr |
---|
| 425 | } |
---|
| 426 | |
---|
| 427 | ############################################################################## |
---|
| 428 | # font -- |
---|
| 429 | # |
---|
| 430 | # This procedure is invoked to handle font changes in the text being output. |
---|
| 431 | # |
---|
| 432 | # Arguments: |
---|
| 433 | # type - Type of font: R, I, B, or S. |
---|
| 434 | |
---|
| 435 | proc font type { |
---|
| 436 | global textState |
---|
| 437 | switch $type { |
---|
| 438 | P - |
---|
| 439 | R { |
---|
| 440 | endFont |
---|
| 441 | if {$textState eq "REF"} { |
---|
| 442 | set textState INSERT |
---|
| 443 | } |
---|
| 444 | } |
---|
| 445 | B { |
---|
| 446 | beginFont Code |
---|
| 447 | if {$textState eq "INSERT"} { |
---|
| 448 | set textState REF |
---|
| 449 | } |
---|
| 450 | } |
---|
| 451 | I { |
---|
| 452 | beginFont Emphasis |
---|
| 453 | } |
---|
| 454 | S { |
---|
| 455 | } |
---|
| 456 | default { |
---|
| 457 | puts stderr "Unknown font: $type" |
---|
| 458 | } |
---|
| 459 | } |
---|
| 460 | } |
---|
| 461 | |
---|
| 462 | ############################################################################## |
---|
| 463 | # formattedText -- |
---|
| 464 | # |
---|
| 465 | # Insert a text string that may also have \fB-style font changes and a few |
---|
| 466 | # other backslash sequences in it. |
---|
| 467 | # |
---|
| 468 | # Arguments: |
---|
| 469 | # text - Text to insert. |
---|
| 470 | |
---|
| 471 | proc formattedText text { |
---|
| 472 | # puts "formattedText: $text" |
---|
| 473 | while {$text ne ""} { |
---|
| 474 | set index [string first \\ $text] |
---|
| 475 | if {$index < 0} { |
---|
| 476 | text $text |
---|
| 477 | return |
---|
| 478 | } |
---|
| 479 | text [string range $text 0 [expr $index-1]] |
---|
| 480 | set c [string index $text [expr $index+1]] |
---|
| 481 | switch -- $c { |
---|
| 482 | f { |
---|
| 483 | font [string index $text [expr $index+2]] |
---|
| 484 | set text [string range $text [expr $index+3] end] |
---|
| 485 | } |
---|
| 486 | e { |
---|
| 487 | text \\ |
---|
| 488 | set text [string range $text [expr $index+2] end] |
---|
| 489 | } |
---|
| 490 | - { |
---|
| 491 | dash |
---|
| 492 | set text [string range $text [expr $index+2] end] |
---|
| 493 | } |
---|
| 494 | | { |
---|
| 495 | set text [string range $text [expr $index+2] end] |
---|
| 496 | } |
---|
| 497 | default { |
---|
| 498 | puts stderr "Unknown sequence: \\$c" |
---|
| 499 | set text [string range $text [expr $index+2] end] |
---|
| 500 | } |
---|
| 501 | } |
---|
| 502 | } |
---|
| 503 | } |
---|
| 504 | |
---|
| 505 | ############################################################################## |
---|
| 506 | # dash -- |
---|
| 507 | # |
---|
| 508 | # This procedure is invoked to handle dash characters ("\-" in troff). It |
---|
| 509 | # outputs a special dash character. |
---|
| 510 | # |
---|
| 511 | # Arguments: |
---|
| 512 | # None. |
---|
| 513 | |
---|
| 514 | proc dash {} { |
---|
| 515 | global textState charCnt |
---|
| 516 | if {$textState eq "NAME"} { |
---|
| 517 | set textState 0 |
---|
| 518 | } |
---|
| 519 | incr charCnt |
---|
| 520 | text "-" |
---|
| 521 | } |
---|
| 522 | |
---|
| 523 | ############################################################################## |
---|
| 524 | # tab -- |
---|
| 525 | # |
---|
| 526 | # This procedure is invoked to handle tabs in the troff input. |
---|
| 527 | # |
---|
| 528 | # Arguments: |
---|
| 529 | # None. |
---|
| 530 | |
---|
| 531 | proc tab {} { |
---|
| 532 | global inPRE charCnt tabString file |
---|
| 533 | # ? charCnt |
---|
| 534 | if {$inPRE == 1} { |
---|
| 535 | set pos [expr $charCnt % [string length $tabString] ] |
---|
| 536 | set spaces [string first "1" [string range $tabString $pos end] ] |
---|
| 537 | text [format "%*s" [incr spaces] " "] |
---|
| 538 | } else { |
---|
| 539 | # puts "tab: found tab outside of <PRE> block" |
---|
| 540 | } |
---|
| 541 | } |
---|
| 542 | |
---|
| 543 | ############################################################################## |
---|
| 544 | # setTabs -- |
---|
| 545 | # |
---|
| 546 | # This procedure handles the ".ta" macro, which sets tab stops. |
---|
| 547 | # |
---|
| 548 | # Arguments: |
---|
| 549 | # tabList - List of tab stops, each consisting of a number |
---|
| 550 | # followed by "i" (inch) or "c" (cm). |
---|
| 551 | |
---|
| 552 | proc setTabs {tabList} { |
---|
| 553 | global file breakPending tabString |
---|
| 554 | |
---|
| 555 | # puts "setTabs: --$tabList--" |
---|
| 556 | set last 0 |
---|
| 557 | set tabString {} |
---|
| 558 | set charsPerInch 14. |
---|
| 559 | set numTabs [llength $tabList] |
---|
| 560 | foreach arg $tabList { |
---|
| 561 | if {[string match +* $arg]} { |
---|
| 562 | set relative 1 |
---|
| 563 | set arg [string range $arg 1 end] |
---|
| 564 | } else { |
---|
| 565 | set relative 0 |
---|
| 566 | } |
---|
| 567 | # Always operate in relative mode for "measurement" mode |
---|
| 568 | if {[regexp {^\\w'(.*)'u$} $arg content]} { |
---|
| 569 | set distance [string length $content] |
---|
| 570 | } else { |
---|
| 571 | if {[scan $arg "%f%s" distance units] != 2} { |
---|
| 572 | puts stderr "bad distance \"$arg\"" |
---|
| 573 | return 0 |
---|
| 574 | } |
---|
| 575 | switch -- $units { |
---|
| 576 | c { |
---|
| 577 | set distance [expr {$distance * $charsPerInch / 2.54}] |
---|
| 578 | } |
---|
| 579 | i { |
---|
| 580 | set distance [expr {$distance * $charsPerInch}] |
---|
| 581 | } |
---|
| 582 | default { |
---|
| 583 | puts stderr "bad units in distance \"$arg\"" |
---|
| 584 | continue |
---|
| 585 | } |
---|
| 586 | } |
---|
| 587 | } |
---|
| 588 | # ? distance |
---|
| 589 | if {$relative} { |
---|
| 590 | append tabString [format "%*s1" [expr {round($distance-1)}] " "] |
---|
| 591 | set last [expr {$last + $distance}] |
---|
| 592 | } else { |
---|
| 593 | append tabString [format "%*s1" [expr {round($distance-$last-1)}] " "] |
---|
| 594 | set last $distance |
---|
| 595 | } |
---|
| 596 | } |
---|
| 597 | # puts "setTabs: --$tabString--" |
---|
| 598 | } |
---|
| 599 | |
---|
| 600 | ############################################################################## |
---|
| 601 | # lineBreak -- |
---|
| 602 | # |
---|
| 603 | # Generates a line break in the HTML output. |
---|
| 604 | # |
---|
| 605 | # Arguments: |
---|
| 606 | # None. |
---|
| 607 | |
---|
| 608 | proc lineBreak {} { |
---|
| 609 | global file inPRE |
---|
| 610 | puts $file "<BR>" |
---|
| 611 | } |
---|
| 612 | |
---|
| 613 | ############################################################################## |
---|
| 614 | # newline -- |
---|
| 615 | # |
---|
| 616 | # This procedure is invoked to handle newlines in the troff input. It outputs |
---|
| 617 | # either a space character or a newline character, depending on fill mode. |
---|
| 618 | # |
---|
| 619 | # Arguments: |
---|
| 620 | # None. |
---|
| 621 | |
---|
| 622 | proc newline {} { |
---|
| 623 | global noFillCount file inDT inPRE charCnt inTable |
---|
| 624 | |
---|
| 625 | if {$inDT ne ""} { |
---|
| 626 | puts $file "\n$inDT" |
---|
| 627 | set inDT {} |
---|
| 628 | } elseif {$inTable} { |
---|
| 629 | if {$inTable > 1} { |
---|
| 630 | puts $file </tr> |
---|
| 631 | set inTable 1 |
---|
| 632 | } |
---|
| 633 | } elseif {$noFillCount == 0 || $inPRE == 1} { |
---|
| 634 | puts $file {} |
---|
| 635 | } else { |
---|
| 636 | lineBreak |
---|
| 637 | incr noFillCount -1 |
---|
| 638 | } |
---|
| 639 | set charCnt 0 |
---|
| 640 | } |
---|
| 641 | |
---|
| 642 | ############################################################################## |
---|
| 643 | # char -- |
---|
| 644 | # |
---|
| 645 | # This procedure is called to handle a special character. |
---|
| 646 | # |
---|
| 647 | # Arguments: |
---|
| 648 | # name - Special character named in troff \x or \(xx construct. |
---|
| 649 | |
---|
| 650 | proc char name { |
---|
| 651 | global file charCnt |
---|
| 652 | |
---|
| 653 | incr charCnt |
---|
| 654 | # puts "char: $name" |
---|
| 655 | switch -exact $name { |
---|
| 656 | \\0 { ;# \0 |
---|
| 657 | puts -nonewline $file " " |
---|
| 658 | } |
---|
| 659 | \\\\ { ;# \ |
---|
| 660 | puts -nonewline $file "\\" |
---|
| 661 | } |
---|
| 662 | \\(+- { ;# +/- |
---|
| 663 | puts -nonewline $file "±" |
---|
| 664 | } |
---|
| 665 | \\% {} ;# \% |
---|
| 666 | \\| { ;# \| |
---|
| 667 | } |
---|
| 668 | default { |
---|
| 669 | puts stderr "Unknown character: $name" |
---|
| 670 | } |
---|
| 671 | } |
---|
| 672 | } |
---|
| 673 | |
---|
| 674 | ############################################################################## |
---|
| 675 | # macro2 -- |
---|
| 676 | # |
---|
| 677 | # This procedure handles macros that are invoked with a leading "'" character |
---|
| 678 | # instead of space. Right now it just generates an error diagnostic. |
---|
| 679 | # |
---|
| 680 | # Arguments: |
---|
| 681 | # name - The name of the macro (without the "."). |
---|
| 682 | # args - Any additional arguments to the macro. |
---|
| 683 | |
---|
| 684 | proc macro2 {name args} { |
---|
| 685 | puts stderr "Unknown macro: '$name [join $args " "]" |
---|
| 686 | } |
---|
| 687 | |
---|
| 688 | ############################################################################## |
---|
| 689 | # SHmacro -- |
---|
| 690 | # |
---|
| 691 | # Subsection head; handles the .SH and .SS macros. |
---|
| 692 | # |
---|
| 693 | # Arguments: |
---|
| 694 | # name - Section name. |
---|
| 695 | # style - Type of section (optional) |
---|
| 696 | |
---|
| 697 | proc SHmacro {argList {style section}} { |
---|
| 698 | global file noFillCount textState charCnt |
---|
| 699 | |
---|
| 700 | set args [join $argList " "] |
---|
| 701 | if {[llength $argList] < 1} { |
---|
| 702 | puts stderr "Bad .SH macro: .$name $args" |
---|
| 703 | } |
---|
| 704 | |
---|
| 705 | set noFillCount 0 |
---|
| 706 | nest reset |
---|
| 707 | |
---|
| 708 | set tag H3 |
---|
| 709 | if {$style eq "subsection"} { |
---|
| 710 | set tag H4 |
---|
| 711 | } |
---|
| 712 | puts -nonewline $file "<$tag>" |
---|
| 713 | text $args |
---|
| 714 | puts $file "</$tag>" |
---|
| 715 | |
---|
| 716 | # ? args textState |
---|
| 717 | |
---|
| 718 | # control what the text proc does with text |
---|
| 719 | |
---|
| 720 | switch $args { |
---|
| 721 | NAME {set textState NAME} |
---|
| 722 | DESCRIPTION {set textState INSERT} |
---|
| 723 | INTRODUCTION {set textState INSERT} |
---|
| 724 | "WIDGET-SPECIFIC OPTIONS" {set textState INSERT} |
---|
| 725 | "SEE ALSO" {set textState SEE} |
---|
| 726 | KEYWORDS {set textState 0} |
---|
| 727 | } |
---|
| 728 | set charCnt 0 |
---|
| 729 | } |
---|
| 730 | |
---|
| 731 | ############################################################################## |
---|
| 732 | # IPmacro -- |
---|
| 733 | # |
---|
| 734 | # This procedure is invoked to handle ".IP" macros, which may take any of the |
---|
| 735 | # following forms: |
---|
| 736 | # |
---|
| 737 | # .IP [1] Translate to a "1Step" paragraph. |
---|
| 738 | # .IP [x] (x > 1) Translate to a "Step" paragraph. |
---|
| 739 | # .IP Translate to a "Bullet" paragraph. |
---|
| 740 | # .IP \(bu Translate to a "Bullet" paragraph. |
---|
| 741 | # .IP text count Translate to a FirstBody paragraph with |
---|
| 742 | # special indent and tab stop based on "count", |
---|
| 743 | # and tab after "text". |
---|
| 744 | # |
---|
| 745 | # Arguments: |
---|
| 746 | # argList - List of arguments to the .IP macro. |
---|
| 747 | # |
---|
| 748 | # HTML limitations: 'count' in '.IP text count' is ignored. |
---|
| 749 | |
---|
| 750 | proc IPmacro argList { |
---|
| 751 | global file |
---|
| 752 | |
---|
| 753 | setTabs 0.5i |
---|
| 754 | set length [llength $argList] |
---|
| 755 | if {$length == 0} { |
---|
| 756 | nest para UL LI |
---|
| 757 | return |
---|
| 758 | } |
---|
| 759 | # Special case for alternative mechanism for declaring bullets |
---|
| 760 | if {[lindex $argList 0] eq "\\(bu"} { |
---|
| 761 | nest para UL LI |
---|
| 762 | return |
---|
| 763 | } |
---|
| 764 | if {[regexp {^\[\d+\]$} [lindex $argList 0]]} { |
---|
| 765 | nest para OL LI |
---|
| 766 | return |
---|
| 767 | } |
---|
| 768 | nest para DL DT |
---|
| 769 | formattedText [lindex $argList 0] |
---|
| 770 | puts $file "\n<DD>" |
---|
| 771 | return |
---|
| 772 | } |
---|
| 773 | |
---|
| 774 | ############################################################################## |
---|
| 775 | # TPmacro -- |
---|
| 776 | # |
---|
| 777 | # This procedure is invoked to handle ".TP" macros, which may take any of the |
---|
| 778 | # following forms: |
---|
| 779 | # |
---|
| 780 | # .TP x Translate to an indented paragraph with the specified indent |
---|
| 781 | # (in 100 twip units). |
---|
| 782 | # .TP Translate to an indented paragraph with default indent. |
---|
| 783 | # |
---|
| 784 | # Arguments: |
---|
| 785 | # argList - List of arguments to the .IP macro. |
---|
| 786 | # |
---|
| 787 | # HTML limitations: 'x' in '.TP x' is ignored. |
---|
| 788 | |
---|
| 789 | proc TPmacro {argList} { |
---|
| 790 | global inDT |
---|
| 791 | nest para DL DT |
---|
| 792 | set inDT "\n<DD>" ;# next newline writes inDT |
---|
| 793 | setTabs 0.5i |
---|
| 794 | } |
---|
| 795 | |
---|
| 796 | ############################################################################## |
---|
| 797 | # THmacro -- |
---|
| 798 | # |
---|
| 799 | # This procedure handles the .TH macro. It generates the non-scrolling header |
---|
| 800 | # section for a given man page, and enters information into the table of |
---|
| 801 | # contents. The .TH macro has the following form: |
---|
| 802 | # |
---|
| 803 | # .TH name section date footer header |
---|
| 804 | # |
---|
| 805 | # Arguments: |
---|
| 806 | # argList - List of arguments to the .TH macro. |
---|
| 807 | |
---|
| 808 | proc THmacro {argList} { |
---|
| 809 | global file |
---|
| 810 | |
---|
| 811 | if {[llength $argList] != 5} { |
---|
| 812 | set args [join $argList " "] |
---|
| 813 | puts stderr "Bad .TH macro: .$name $args" |
---|
| 814 | } |
---|
| 815 | set name [lindex $argList 0] ;# Tcl_UpVar |
---|
| 816 | set page [lindex $argList 1] ;# 3 |
---|
| 817 | set vers [lindex $argList 2] ;# 7.4 |
---|
| 818 | set lib [lindex $argList 3] ;# Tcl |
---|
| 819 | set pname [lindex $argList 4] ;# {Tcl Library Procedures} |
---|
| 820 | |
---|
| 821 | puts -nonewline $file "<HTML><HEAD><TITLE>" |
---|
| 822 | text "$lib - $name ($page)" |
---|
| 823 | puts $file "</TITLE></HEAD><BODY>\n" |
---|
| 824 | |
---|
| 825 | puts -nonewline $file "<H1><CENTER>" |
---|
| 826 | text $pname |
---|
| 827 | puts $file "</CENTER></H1>\n" |
---|
| 828 | } |
---|
| 829 | |
---|
| 830 | ############################################################################## |
---|
| 831 | # newPara -- |
---|
| 832 | # |
---|
| 833 | # This procedure sets the left and hanging indents for a line. Indents are |
---|
| 834 | # specified in units of inches or centimeters, and are relative to the current |
---|
| 835 | # nesting level and left margin. |
---|
| 836 | # |
---|
| 837 | # Arguments: |
---|
| 838 | # None |
---|
| 839 | |
---|
| 840 | proc newPara {} { |
---|
| 841 | global file nestStk |
---|
| 842 | |
---|
| 843 | if {[lindex $nestStk end] ne "NEW"} { |
---|
| 844 | nest decr |
---|
| 845 | } |
---|
| 846 | puts -nonewline $file "<P>" |
---|
| 847 | } |
---|
| 848 | |
---|
| 849 | ############################################################################## |
---|
| 850 | # nest -- |
---|
| 851 | # |
---|
| 852 | # This procedure takes care of inserting the tags associated with the IP, TP, |
---|
| 853 | # RS, RE, LP and PP macros. Only 'nest para' takes arguments. |
---|
| 854 | # |
---|
| 855 | # Arguments: |
---|
| 856 | # op - operation: para, incr, decr, reset, init |
---|
| 857 | # listStart - begin list tag: OL, UL, DL. |
---|
| 858 | # listItem - item tag: LI, LI, DT. |
---|
| 859 | |
---|
| 860 | proc nest {op {listStart "NEW"} {listItem ""} } { |
---|
| 861 | global file nestStk inDT charCnt |
---|
| 862 | # puts "nest: $op $listStart $listItem" |
---|
| 863 | switch $op { |
---|
| 864 | para { |
---|
| 865 | set top [lindex $nestStk end] |
---|
| 866 | if {$top eq "NEW"} { |
---|
| 867 | set nestStk [lreplace $nestStk end end $listStart] |
---|
| 868 | puts $file "<$listStart>" |
---|
| 869 | } elseif {$top ne $listStart} { |
---|
| 870 | puts stderr "nest para: bad stack" |
---|
| 871 | exit 1 |
---|
| 872 | } |
---|
| 873 | puts $file "\n<$listItem>" |
---|
| 874 | set charCnt 0 |
---|
| 875 | } |
---|
| 876 | incr { |
---|
| 877 | lappend nestStk NEW |
---|
| 878 | } |
---|
| 879 | decr { |
---|
| 880 | if {[llength $nestStk] == 0} { |
---|
| 881 | puts stderr "nest error: nest length is zero" |
---|
| 882 | set nestStk NEW |
---|
| 883 | } |
---|
| 884 | set tag [lindex $nestStk end] |
---|
| 885 | if {$tag ne "NEW"} { |
---|
| 886 | puts $file "</$tag>" |
---|
| 887 | } |
---|
| 888 | set nestStk [lreplace $nestStk end end] |
---|
| 889 | } |
---|
| 890 | reset { |
---|
| 891 | while {[llength $nestStk] > 0} { |
---|
| 892 | nest decr |
---|
| 893 | } |
---|
| 894 | set nestStk NEW |
---|
| 895 | } |
---|
| 896 | init { |
---|
| 897 | set nestStk NEW |
---|
| 898 | set inDT {} |
---|
| 899 | } |
---|
| 900 | } |
---|
| 901 | set charCnt 0 |
---|
| 902 | } |
---|
| 903 | |
---|
| 904 | ############################################################################## |
---|
| 905 | # do -- |
---|
| 906 | # |
---|
| 907 | # This is the toplevel procedure that translates a man page to HTML. It runs |
---|
| 908 | # the man2tcl program to turn the man page into a script, then it evals that |
---|
| 909 | # script. |
---|
| 910 | # |
---|
| 911 | # Arguments: |
---|
| 912 | # fileName - Name of the file to translate. |
---|
| 913 | |
---|
| 914 | proc do fileName { |
---|
| 915 | global file self html_dir package footer |
---|
| 916 | set self "[file tail $fileName].html" |
---|
| 917 | set file [open "$html_dir/$package/$self" w] |
---|
| 918 | puts " Pass 2 -- $fileName" |
---|
| 919 | flush stdout |
---|
| 920 | initGlobals |
---|
| 921 | if {[catch { eval [exec man2tcl [glob $fileName]] } msg]} { |
---|
| 922 | global errorInfo |
---|
| 923 | puts stderr $msg |
---|
| 924 | puts "in" |
---|
| 925 | puts stderr $errorInfo |
---|
| 926 | exit 1 |
---|
| 927 | } |
---|
| 928 | nest reset |
---|
| 929 | puts $file $footer |
---|
| 930 | puts $file "</BODY></HTML>" |
---|
| 931 | close $file |
---|
| 932 | } |
---|