static void text_versionid(textfile *tf, word *text, textconfig *cfg) {
rdstring t = { 0, 0, NULL };
rdadd(&t, L'[');
text_rdaddw(&t, text, NULL, cfg);
rdadd(&t, L']');
rdadd(&t, L'\n');
text_output(tf, t.text);
sfree(t.text);
}
/*
* Read the rest of a line that starts `\c'. Including nothing at
* all (tok_word with empty text).
*/
token get_codepar_token(input * in)
{
int c;
token ret;
rdstring rs = { 0, 0, NULL };
filepos cpos;
ret.type = tok_word;
c = get(in, &cpos); /* expect (and discard) one space */
ret.pos = cpos;
if (c == ' ')
{
c = get(in, &cpos);
ret.pos = cpos;
}
while (!isnl(c) && c != EOF)
{
int c2 = c;
c = get(in, &cpos);
/* Discard \r just before \n. */
if (c2 != 13 || !isnl(c))
rdadd(&rs, (wchar_t)c2);
}
unget(in, c, &cpos);
ret.text = ustrdup(rs.text);
sfree(rs.text);
return ret;
}
static void text_rdaddw(rdstring *rs, word *text, word *end, textconfig *cfg) {
for (; text && text != end; text = text->next) switch (text->type) {
case word_HyperLink:
case word_HyperEnd:
case word_UpperXref:
case word_LowerXref:
case word_XrefEnd:
case word_IndexRef:
break;
case word_Normal:
case word_Emph:
case word_Code:
case word_WeakCode:
case word_WhiteSpace:
case word_EmphSpace:
case word_CodeSpace:
case word_WkCodeSpace:
case word_Quote:
case word_EmphQuote:
case word_CodeQuote:
case word_WkCodeQuote:
assert(text->type != word_CodeQuote &&
text->type != word_WkCodeQuote);
if (towordstyle(text->type) == word_Emph &&
(attraux(text->aux) == attr_First ||
attraux(text->aux) == attr_Only))
rdadds(rs, cfg->startemph);
else if (towordstyle(text->type) == word_Code &&
(attraux(text->aux) == attr_First ||
attraux(text->aux) == attr_Only))
rdadds(rs, cfg->lquote);
if (removeattr(text->type) == word_Normal) {
if (cvt_ok(cfg->charset, text->text) || !text->alt)
rdadds(rs, text->text);
else
text_rdaddw(rs, text->alt, NULL, cfg);
} else if (removeattr(text->type) == word_WhiteSpace) {
rdadd(rs, L' ');
} else if (removeattr(text->type) == word_Quote) {
rdadds(rs, quoteaux(text->aux) == quote_Open ?
cfg->lquote : cfg->rquote);
}
if (towordstyle(text->type) == word_Emph &&
(attraux(text->aux) == attr_Last ||
attraux(text->aux) == attr_Only))
rdadds(rs, cfg->endemph);
else if (towordstyle(text->type) == word_Code &&
(attraux(text->aux) == attr_Last ||
attraux(text->aux) == attr_Only))
rdadds(rs, cfg->rquote);
break;
}
}
/*
* Reads a single file (ie until get() returns EOF)
*/
static void read_file(paragraph *** ret, input * in, indexdata * idx)
{
token t;
paragraph par;
word wd, **whptr, **idximplicit;
tree234 *macros;
wchar_t utext[2], *wdtext;
int style, spcstyle;
int already;
int iswhite, seenwhite;
int type;
struct stack_item {
enum {
stack_nop = 0, /* do nothing (for error recovery) */
stack_ualt = 1, /* \u alternative */
stack_style = 2, /* \e, \c, \cw */
stack_idx = 4, /* \I, \i, \ii */
stack_hyper = 8, /* \W */
stack_quote = 16, /* \q */
} type;
word **whptr; /* to restore from \u alternatives */
word **idximplicit; /* to restore from \u alternatives */
} *sitem;
stack parsestk;
word *indexword=NULL, *uword=NULL, *iword=NULL;
word *idxwordlist;
rdstring indexstr;
int index_downcase=0, index_visible=0, indexing=0;
const rdstring nullrs = { 0, 0, NULL };
wchar_t uchr;
t.text = NULL;
macros = newtree234(macrocmp);
already = FALSE;
/*
* Loop on each paragraph.
*/
while (1)
{
int start_cmd = c__invalid;
par.words = NULL;
par.keyword = NULL;
whptr = &par.words;
/*
* Get a token.
*/
if (!already)
{
dtor(t), t = get_token(in);
}
already = FALSE;
if (t.type == tok_eof)
break;
/*
* Parse code paragraphs separately.
*/
if (t.type == tok_cmd && t.cmd == c_c && !isbrace(in))
{
par.type = para_Code;
par.fpos = t.pos;
while (1)
{
dtor(t), t = get_codepar_token(in);
wd.type = word_WeakCode;
wd.breaks = FALSE; /* shouldn't need this... */
wd.text = ustrdup(t.text);
wd.alt = NULL;
wd.fpos = t.pos;
addword(wd, &whptr);
dtor(t), t = get_token(in);
if (t.type == tok_white)
{
/*
* The newline after a code-paragraph line
*/
dtor(t), t = get_token(in);
}
if (t.type == tok_eop || t.type == tok_eof)
break;
else if (t.type != tok_cmd || t.cmd != c_c)
{
error(err_brokencodepara, &t.pos);
addpara(par, ret);
while (t.type != tok_eop) /* error recovery: */
dtor(t), t = get_token(in); /* eat rest of paragraph */
goto codeparabroken; /* ick, but such is life */
}
}
addpara(par, ret);
codeparabroken:
continue;
}
while (t.type == tok_cmd && macrolookup(macros, in, t.text, &t.pos))
{
dtor(t), t = get_token(in);
}
/*
* This token begins a paragraph. See if it's one of the
* special commands that define a paragraph type.
*
* (note that \# is special in a way, and \nocite takes no
* text)
*/
par.type = para_Normal;
if (t.type == tok_cmd)
{
int needkw=0;
int is_macro = FALSE;
par.fpos = t.pos;
switch (t.cmd)
{
default:
needkw = -1;
break;
case c__invalid:
error(err_badparatype, t.text, &t.pos);
needkw = 4;
break;
case c__comment:
if (isbrace(in))
break; /* `\#{': isn't a comment para */
do
{
dtor(t), t = get_token(in);
}
while (t.type != tok_eop && t.type != tok_eof);
continue; /* next paragraph */
/*
* `needkw' values:
*
* 1 -- exactly one keyword
* 2 -- at least one keyword
* 4 -- any number of keywords including zero
* 8 -- at least one keyword and then nothing else
* 16 -- nothing at all! no keywords, no body
* 32 -- no keywords at all
*/
case c_A:
needkw = 2;
par.type = para_Appendix;
break;
case c_B:
needkw = 2;
par.type = para_Biblio;
break;
case c_BR:
needkw = 1;
par.type = para_BR;
start_cmd = c_BR;
break;
case c_C:
needkw = 2;
par.type = para_Chapter;
break;
case c_H:
needkw = 2;
par.type = para_Heading;
par.aux = 0;
break;
case c_IM:
needkw = 2;
par.type = para_IM;
start_cmd = c_IM;
break;
case c_S:
needkw = 2;
par.type = para_Subsect;
par.aux = t.aux;
break;
case c_U:
needkw = 32;
par.type = para_UnnumberedChapter;
break;
/* For \b and \n the keyword is optional */
case c_b:
needkw = 4;
par.type = para_Bullet;
break;
case c_n:
needkw = 4;
par.type = para_NumberedList;
break;
case c_cfg:
needkw = 8;
par.type = para_Config;
start_cmd = c_cfg;
break;
case c_copyright:
needkw = 32;
par.type = para_Copyright;
break;
case c_define:
is_macro = TRUE;
needkw = 1;
break;
/* For \nocite the keyword is _everything_ */
case c_nocite:
needkw = 8;
par.type = para_NoCite;
break;
case c_preamble:
needkw = 32;
par.type = para_Preamble;
break;
case c_rule:
needkw = 16;
par.type = para_Rule;
break;
case c_title:
needkw = 32;
par.type = para_Title;
break;
case c_versionid:
needkw = 32;
par.type = para_VersionID;
break;
}
if (needkw > 0)
{
rdstring rs = { 0, 0, NULL };
int nkeys = 0;
filepos fp;
/* Get keywords. */
dtor(t), t = get_token(in);
fp = t.pos;
while (t.type == tok_lbrace)
{
/* This is a keyword. */
nkeys++;
/* FIXME: there will be bugs if anyone specifies an
* empty keyword (\foo{}), so trap this case. */
while (dtor(t), t = get_token(in),
t.type == tok_word ||
t.type == tok_white ||
(t.type == tok_cmd && t.cmd == c__nbsp) ||
(t.type == tok_cmd && t.cmd == c__escaped))
{
if (t.type == tok_white ||
(t.type == tok_cmd && t.cmd == c__nbsp))
rdadd(&rs, ' ');
else
rdadds(&rs, t.text);
}
if (t.type != tok_rbrace)
{
error(err_kwunclosed, &t.pos);
continue;
}
rdadd(&rs, 0); /* add string terminator */
dtor(t), t = get_token(in); /* eat right brace */
}
rdadd(&rs, 0); /* add string terminator */
/* See whether we have the right number of keywords. */
if ((needkw & 48) && nkeys > 0)
error(err_kwillegal, &fp);
if ((needkw & 11) && nkeys == 0)
error(err_kwexpected, &fp);
if ((needkw & 5) && nkeys > 1)
error(err_kwtoomany, &fp);
if (is_macro)
{
/*
* Macro definition. Get the rest of the line
* as a code-paragraph token, repeatedly until
* there's nothing more left of it. Separate
* with newlines.
*/
rdstring macrotext = { 0, 0, NULL };
while (1)
{
dtor(t), t = get_codepar_token(in);
if (macrotext.pos > 0)
rdadd(¯otext, L'\n');
rdadds(¯otext, t.text);
dtor(t), t = get_token(in);
if (t.type == tok_eop)
break;
}
macrodef(macros, rs.text, macrotext.text, fp);
continue; /* next paragraph */
}
par.keyword = rdtrim(&rs);
/* Move to EOP in case of needkw==8 or 16 (no body) */
if (needkw & 24)
{
/* We allow whitespace even when we expect no para body */
while (t.type == tok_white)
dtor(t), t = get_token(in);
if (t.type != tok_eop && t.type != tok_eof &&
(start_cmd == c__invalid ||
t.type != tok_cmd || t.cmd != start_cmd))
{
error(err_bodyillegal, &t.pos);
/* Error recovery: eat the rest of the paragraph */
while (t.type != tok_eop && t.type != tok_eof &&
(start_cmd == c__invalid ||
t.type != tok_cmd || t.cmd != start_cmd))
dtor(t), t = get_token(in);
}
if (t.type == tok_cmd)
already = TRUE; /* inhibit get_token at top of loop */
addpara(par, ret);
continue; /* next paragraph */
}
}
}
/*
* Now read the actual paragraph, word by word, adding to
* the paragraph list.
*
* Mid-paragraph commands:
*
* \K \k
* \c \cw
* \e
* \i \ii
* \I
* \u
* \W
* \date
* \\ \{ \}
*/
parsestk = stk_new();
style = word_Normal;
spcstyle = word_WhiteSpace;
indexing = FALSE;
seenwhite = TRUE;
while (t.type != tok_eop && t.type != tok_eof)
{
iswhite = FALSE;
already = FALSE;
/* Handle implicit paragraph breaks after \IM, \BR etc */
if (start_cmd != c__invalid &&
t.type == tok_cmd && t.cmd == start_cmd)
{
already = TRUE; /* inhibit get_token at top of loop */
break;
}
if (t.type == tok_cmd && t.cmd == c__escaped)
{
t.type = tok_word; /* nice and simple */
t.aux = 0; /* even if `\-' - nonbreaking! */
}
if (t.type == tok_cmd && t.cmd == c__nbsp)
{
t.type = tok_word; /* nice and simple */
sfree(t.text);
t.text = ustrdup(L" "); /* text is ` ' not `_' */
t.aux = 0; /* (nonbreaking) */
}
switch (t.type)
{
case tok_white:
if (whptr == &par.words)
break; /* strip whitespace at start of para */
wd.text = NULL;
wd.type = spcstyle;
wd.alt = NULL;
wd.aux = 0;
wd.fpos = t.pos;
wd.breaks = FALSE;
/*
* Inhibit use of whitespace if it's (probably the
* newline) before a repeat \IM / \BR type
* directive.
*/
if (start_cmd != c__invalid)
{
dtor(t), t = get_token(in);
already = TRUE;
if (t.type == tok_cmd && t.cmd == start_cmd)
break;
}
if (indexing)
rdadd(&indexstr, ' ');
if (!indexing || index_visible)
addword(wd, &whptr);
if (indexing)
addword(wd, &idximplicit);
iswhite = TRUE;
break;
case tok_word:
if (indexing)
rdadds(&indexstr, t.text);
wd.type = style;
wd.alt = NULL;
wd.aux = 0;
wd.fpos = t.pos;
wd.breaks = t.aux;
if (!indexing || index_visible)
{
wd.text = ustrdup(t.text);
addword(wd, &whptr);
}
if (indexing)
{
wd.text = ustrdup(t.text);
addword(wd, &idximplicit);
}
break;
case tok_lbrace:
error(err_unexbrace, &t.pos);
/* Error recovery: push nop */
sitem = mknew(struct stack_item);
sitem->type = stack_nop;
stk_push(parsestk, sitem);
break;
case tok_rbrace:
sitem = stk_pop(parsestk);
if (!sitem)
error(err_unexbrace, &t.pos);
else
{
if (sitem->type & stack_ualt)
{
whptr = sitem->whptr;
idximplicit = sitem->idximplicit;
}
if (sitem->type & stack_style)
{
style = word_Normal;
spcstyle = word_WhiteSpace;
}
if (sitem->type & stack_idx ) {
indexword->text = ustrdup(indexstr.text);
if (index_downcase)
ustrlow(indexword->text);
indexing = FALSE;
rdadd(&indexstr, L'\0');
index_merge(idx, FALSE, indexstr.text, idxwordlist);
sfree(indexstr.text);
}
if (sitem->type & stack_hyper)
{
wd.text = NULL;
wd.type = word_HyperEnd;
wd.alt = NULL;
wd.aux = 0;
wd.fpos = t.pos;
wd.breaks = FALSE;
if (!indexing || index_visible)
addword(wd, &whptr);
if (indexing)
addword(wd, &idximplicit);
}
if (sitem->type & stack_quote)
{
wd.text = NULL;
wd.type = toquotestyle(style);
wd.alt = NULL;
wd.aux = quote_Close;
wd.fpos = t.pos;
wd.breaks = FALSE;
if (!indexing || index_visible)
addword(wd, &whptr);
if (indexing)
{
rdadd(&indexstr, L'"');
addword(wd, &idximplicit);
}
}
}
sfree(sitem);
break;
case tok_cmd:
switch (t.cmd)
{
case c__comment:
/*
* In-paragraph comment: \#{ balanced braces }
*
* Anything goes here; even tok_eop. We should
* eat whitespace after the close brace _if_
* there was whitespace before the \#.
*/
dtor(t), t = get_token(in);
if (t.type != tok_lbrace)
{
error(err_explbr, &t.pos);
} else
{
int braces = 1;
while (braces > 0)
{
dtor(t), t = get_token(in);
if (t.type == tok_lbrace)
braces++;
else if (t.type == tok_rbrace)
braces--;
else if (t.type == tok_eof)
{
error(err_commenteof, &t.pos);
break;
}
}
}
if (seenwhite)
{
already = TRUE;
dtor(t), t = get_token(in);
if (t.type == tok_white)
{
iswhite = TRUE;
already = FALSE;
}
}
break;
case c_q:
dtor(t), t = get_token(in);
if (t.type != tok_lbrace)
{
error(err_explbr, &t.pos);
} else
{
wd.text = NULL;
wd.type = toquotestyle(style);
wd.alt = NULL;
wd.aux = quote_Open;
wd.fpos = t.pos;
wd.breaks = FALSE;
if (!indexing || index_visible)
addword(wd, &whptr);
if (indexing)
{
rdadd(&indexstr, L'"');
addword(wd, &idximplicit);
}
sitem = mknew(struct stack_item);
sitem->type = stack_quote;
stk_push(parsestk, sitem);
}
break;
case c_K:
case c_k:
case c_R:
case c_W:
case c_L:
case c_date:
/*
* Keyword, hyperlink, or \date. We expect a
* left brace, some text, and then a right
* brace. No nesting; no arguments.
*/
wd.fpos = t.pos;
wd.breaks = FALSE;
if (t.cmd == c_K)
wd.type = word_UpperXref;
else if (t.cmd == c_k)
wd.type = word_LowerXref;
else if (t.cmd == c_R)
wd.type = word_FreeTextXref;
else if (t.cmd == c_W)
wd.type = word_HyperLink;
else if (t.cmd == c_L)
wd.type = word_LocalHyperLink;
else
wd.type = word_Normal;
dtor(t), t = get_token(in);
if (t.type != tok_lbrace)
{
if (wd.type == word_Normal)
{
time_t thetime = time(NULL);
struct tm *broken = localtime(&thetime);
already = TRUE;
wdtext = ustrftime(NULL, broken);
wd.type = style;
} else
{
error(err_explbr, &t.pos);
wdtext = NULL;
}
} else
{
rdstring rs = { 0, 0, NULL };
while (dtor(t), t = get_token(in),
t.type == tok_word || t.type == tok_white)
{
if (t.type == tok_white)
rdadd(&rs, ' ');
else
rdadds(&rs, t.text);
}
if (wd.type == word_Normal)
{
time_t thetime = time(NULL);
struct tm *broken = localtime(&thetime);
wdtext = ustrftime(rs.text, broken);
wd.type = style;
} else
{
wdtext = ustrdup(rs.text);
}
sfree(rs.text);
if (t.type != tok_rbrace)
{
error(err_kwexprbr, &t.pos);
}
}
wd.alt = NULL;
wd.aux = 0;
if (!indexing || index_visible)
{
wd.text = ustrdup(wdtext);
addword(wd, &whptr);
}
if (indexing)
{
wd.text = ustrdup(wdtext);
addword(wd, &idximplicit);
}
sfree(wdtext);
if (wd.type == word_FreeTextXref || wd.type == word_HyperLink || wd.type == word_LocalHyperLink)
{
/*
* Hyperlinks are different: they then
* expect another left brace, to begin
* delimiting the text marked by the link.
*/
dtor(t), t = get_token(in);
/*
* Special cases: \W{}\c, \W{}\e, \W{}\cw
*/
sitem = mknew(struct stack_item);
sitem->type = stack_hyper;
if (t.type == tok_cmd &&
(t.cmd == c_e || t.cmd == c_c || t.cmd == c_cw))
{
if (style != word_Normal)
error(err_nestedstyles, &t.pos);
else
{
style = (t.cmd == c_c ? word_Code :
t.cmd == c_cw ? word_WeakCode : word_Emph);
spcstyle = tospacestyle(style);
sitem->type |= stack_style;
}
dtor(t), t = get_token(in);
}
if (t.type != tok_lbrace)
{
error(err_explbr, &t.pos);
sfree(sitem);
} else
{
stk_push(parsestk, sitem);
}
}
break;
case c_c:
case c_cw:
case c_e:
type = t.cmd;
if (style != word_Normal)
{
error(err_nestedstyles, &t.pos);
/* Error recovery: eat lbrace, push nop. */
dtor(t), t = get_token(in);
sitem = mknew(struct stack_item);
sitem->type = stack_nop;
stk_push(parsestk, sitem);
}
dtor(t), t = get_token(in);
if (t.type != tok_lbrace)
{
error(err_explbr, &t.pos);
} else
{
style = (type == c_c ? word_Code :
type == c_cw ? word_WeakCode : word_Emph);
spcstyle = tospacestyle(style);
sitem = mknew(struct stack_item);
sitem->type = stack_style;
stk_push(parsestk, sitem);
}
break;
case c_i:
case c_ii:
case c_I:
type = t.cmd;
if (indexing)
{
error(err_nestedindex, &t.pos);
/* Error recovery: eat lbrace, push nop. */
dtor(t), t = get_token(in);
sitem = mknew(struct stack_item);
sitem->type = stack_nop;
stk_push(parsestk, sitem);
}
sitem = mknew(struct stack_item);
sitem->type = stack_idx;
dtor(t), t = get_token(in);
/*
* Special cases: \i\c, \i\e, \i\cw
*/
wd.fpos = t.pos;
if (t.type == tok_cmd &&
(t.cmd == c_e || t.cmd == c_c || t.cmd == c_cw))
{
if (style != word_Normal)
error(err_nestedstyles, &t.pos);
else
{
style = (t.cmd == c_c ? word_Code :
t.cmd == c_cw ? word_WeakCode : word_Emph);
spcstyle = tospacestyle(style);
sitem->type |= stack_style;
}
dtor(t), t = get_token(in);
}
if (t.type != tok_lbrace)
{
sfree(sitem);
error(err_explbr, &t.pos);
} else
{
/* Add an index-reference word with no text as yet */
wd.type = word_IndexRef;
wd.text = NULL;
wd.alt = NULL;
wd.aux = 0;
wd.breaks = FALSE;
indexword = addword(wd, &whptr);
/* Set up a rdstring to read the index text */
indexstr = nullrs;
/* Flags so that we do the Right Things with text */
index_visible = (type != c_I);
index_downcase = (type == c_ii);
indexing = TRUE;
idxwordlist = NULL;
idximplicit = &idxwordlist;
/* Stack item to close the indexing on exit */
stk_push(parsestk, sitem);
}
break;
case c_u:
uchr = t.aux;
utext[0] = uchr;
utext[1] = 0;
wd.type = style;
wd.breaks = FALSE;
wd.alt = NULL;
wd.aux = 0;
wd.fpos = t.pos;
if (!indexing || index_visible)
{
wd.text = ustrdup(utext);
uword = addword(wd, &whptr);
} else
uword = NULL;
if (indexing)
{
wd.text = ustrdup(utext);
iword = addword(wd, &idximplicit);
} else
iword = NULL;
dtor(t), t = get_token(in);
if (t.type == tok_lbrace)
{
/*
* \u with a left brace. Until the brace
* closes, all further words go on a
* sidetrack from the main thread of the
* paragraph.
*/
sitem = mknew(struct stack_item);
sitem->type = stack_ualt;
sitem->whptr = whptr;
sitem->idximplicit = idximplicit;
stk_push(parsestk, sitem);
whptr = uword ? &uword->alt : NULL;
idximplicit = iword ? &iword->alt : NULL;
} else
{
if (indexing)
rdadd(&indexstr, uchr);
already = TRUE;
}
break;
default:
if (!macrolookup(macros, in, t.text, &t.pos))
error(err_badmidcmd, t.text, &t.pos);
break;
}
/*
* Read a token from the input file, in the normal way (`normal' in
* the sense that code paragraphs work a different way).
*/
token get_token(input * in)
{
int c;
int nls;
token ret;
rdstring rs = { 0, 0, NULL };
filepos cpos;
ret.cmd = c__invalid;
ret.aux = FALSE;
ret.text = NULL; /* default */
c = get(in, &cpos);
ret.pos = cpos;
if (iswhite(c))
{ /* tok_white or tok_eop */
nls = 0;
do
{
if (isnl(c))
nls++;
}
while ((c = get(in, &cpos)) != EOF && iswhite(c));
if (c == EOF)
{
ret.type = tok_eof;
return ret;
}
unget(in, c, &cpos);
ret.type = (nls > 1 ? tok_eop : tok_white);
return ret;
} else if (c == EOF)
{ /* tok_eof */
ret.type = tok_eof;
return ret;
} else if (c == '\\')
{ /* tok_cmd */
c = get(in, &cpos);
if (c == '-' || c == '\\' || c == '_' ||
c == '#' || c == '{' || c == '}')
{
/* single-char command */
rdadd(&rs, (wchar_t)c);
} else if (c == 'u')
{
int len = 0;
do
{
rdadd(&rs, (wchar_t)c);
len++;
c = get(in, &cpos);
}
while (ishex(c) && len < 5);
unget(in, c, &cpos);
} else if (iscmd(c))
{
do
{
rdadd(&rs, (wchar_t)c);
c = get(in, &cpos);
}
while (iscmd(c));
unget(in, c, &cpos);
}
/*
* Now match the command against the list of available
* ones.
*/
ret.type = tok_cmd;
ret.text = ustrdup(rs.text);
match_kw(&ret);
sfree(rs.text);
return ret;
} else if (c == '{')
{ /* tok_lbrace */
ret.type = tok_lbrace;
return ret;
} else if (c == '}')
{ /* tok_rbrace */
ret.type = tok_rbrace;
return ret;
} else
{ /* tok_word */
/*
* Read a word: the longest possible contiguous sequence of
* things other than whitespace, backslash, braces and
* hyphen. A hyphen terminates the word but is returned as
* part of it; everything else is pushed back for the next
* token. The `aux' field contains TRUE if the word ends in
* a hyphen.
*/
ret.aux = FALSE; /* assumed for now */
while (1)
{
if (iswhite(c) || c == '{' || c == '}' || c == '\\' || c == EOF)
{
/* Put back the character that caused termination */
unget(in, c, &cpos);
break;
} else
{
rdadd(&rs, (wchar_t)c);
if (c == '-')
{
ret.aux = TRUE;
break; /* hyphen terminates word */
}
}
c = get(in, &cpos);
}
ret.type = tok_word;
ret.text = ustrdup(rs.text);
sfree(rs.text);
return ret;
}
}
