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templeos-info/public/Wb/Adam/DolDoc/DocLink.HC

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#help_index "DolDoc/Link"
/* See $LK,"TempleOS Link Types",A="MN:ST_LINK_TYPES"$.
"filename"
"FI:filename"
"FA:haystack_filename,needle_anchor_str"
"FF:haystack_filename,needle_str"
"FF:haystack_filename,needle_str:occurnum"
"FL:filename,linenum"
"MN:SymName"
"PI:filename"
"PF:haystack_filename,needle_str"
"PF:haystack_filename,needle_str:occurnum"
"PL:filename,linenum"
"BF:haystack_bible_book,needle_str"
"DN:word"
"DN:word,defnum"
"HI:index"
"AD:code_address_number"
To edit a doc structure already in memory. See $LK,"SpriteEdText",A="MN:SpriteEdText"$().
"AI:doc_address"
"AA:haystack_doc_address,needle_anchor_str"
"AF:haystack_doc_address,needle_str"
"AF:haystack_doc_address,needle_str:occurnum"
"AL:doc_address,linenum"
*/
#define LK_FILE 0
#define LK_FILE_ANCHOR 1
#define LK_FILE_FIND 2
#define LK_FILE_LINE 3
#define LK_MAN_PAGE 4
#define LK_PLAIN 5
#define LK_PLAIN_FIND 6
#define LK_PLAIN_LINE 7
#define LK_BIBLE_FIND 8
#define LK_DEF 9
#define LK_HELP_INDEX 10
#define LK_ADDR 11
#define LK_DOC 12 //See $LK,"SpriteEdText",A="MN:SpriteEdText"$()
#define LK_DOC_ANCHOR 13
#define LK_DOC_FIND 14
#define LK_DOC_LINE 15
#define LK_PLACE_ANCHOR 16
public U8 *DocEntryLink(CDoc *doc,CDocEntry *doc_e)
{//MAlloc new str, either tag or aux_str if link.
if (doc_e->de_flags&DOCEF_LINK) {
if (doc_e->de_flags & DOCEF_AUX_STR)
return StrNew(doc_e->aux_str,doc->mem_task);
else if (doc_e->de_flags & DOCEF_TAG)
return StrNew(doc_e->tag,doc->mem_task);
}
return NULL;
}
Bool DocFileEd(I64 _type,U8 *filename,
U8 *needle_str,I64 *_num,I64 edf_dof_flags)
{
I64 type=_type,flags=0,old_border_src=Fs->border_src;
CDocEntry *doc_e;
CDoc *doc;
Bool old_silent=Bt(&Fs->display_flags,DISPLAYf_SILENT),
res=FALSE,other_found=FALSE;
U8 *st1,*st2;
try {
switch (type) {
case LK_PLAIN:
flags=DOCF_PLAIN_TEXT|DOCF_NO_CURSOR;
case LK_DOC:
type=LK_FILE;
break;
case LK_DOC_ANCHOR:
type=LK_FILE_ANCHOR;
break;
case LK_PLAIN_FIND:
flags=DOCF_PLAIN_TEXT|DOCF_NO_CURSOR;
case LK_DOC_FIND:
type=LK_FILE_FIND;
break;
case LK_PLAIN_LINE:
flags=DOCF_PLAIN_TEXT|DOCF_NO_CURSOR;
case LK_DOC_LINE:
type=LK_FILE_LINE;
break;
case LK_BIBLE_FIND:
flags=DOCF_PLAIN_TEXT|DOCF_NO_CURSOR;
break;
}
flags|=DOCF_ALLOW_UNDO;
if (LK_DOC<=_type<=LK_DOC_LINE) {
doc=Str2I64(filename);//See $LK,"SpriteEdText",A="MN:SpriteEdText"$()
res=TRUE;
} else {
st1=StrNew(filename);
st2=StrNew(filename);
StrLastRem(st1,"/",st2); //st2 is name without dir
if (!FileNameChk(st2))
doc=NULL;
else {
Silent;
if (Bt(&edf_dof_flags,EDf_BAIL)) //if bail, scan parents
res=FileFind(filename,,
FUF_JUST_FILES|FUF_Z_OR_NOT_Z|FUF_SCAN_PARENTS);
else if (!(res=FileFind(filename,,FUF_JUST_FILES)))
other_found=FileFind(filename,,
FUF_JUST_FILES|FUF_Z_OR_NOT_Z|FUF_SCAN_PARENTS);
doc=DocRead(filename,flags);
doc->desc='Edit';
Silent(old_silent);
Fs->border_src=BDS_ED_FILENAME_DRV;
}
Free(st1);
Free(st2);
}
if (!doc||doc->doc_signature!=DOC_SIGNATURE_VAL)
res=FALSE;
else {
if (Bt(&edf_dof_flags,EDf_COLLAPSE))
DocCollapse(TRUE,doc);
else if (Bt(&edf_dof_flags,EDf_UNCOLLAPSE))
DocCollapse(FALSE,doc);
if (res || other_found)
switch (type) {
case LK_FILE_LINE:
res=DocGoToLine(doc,*_num);
break;
case LK_FILE_ANCHOR:
res=DocAnchorFind(doc,needle_str);
break;
case LK_FILE_FIND:
res=DocFind(doc,,needle_str,*_num);
break;
case LK_BIBLE_FIND:
res=DocFind(doc,*_num,needle_str);
break;
default:
DocCenter(doc);
}
*_num=doc->cur_entry->y+1;
if (edf_dof_flags&EDF_WAS_WRITE)
res=FALSE;
if (!(edf_dof_flags&EDF_BAIL)) {
if (*doc->filename.name)
doc->filename.dirc=DirContextNew(doc->filename.name);
else
doc->filename.dirc=NULL;
if (DocEd(doc,edf_dof_flags|DOF_DONT_HOME)) {
DocLock(doc);
doc_e=doc->cur_entry;
if (doc_e!=doc)
DocEntryRun(doc,doc_e,TRUE);
DocUnlock(doc);
if (!(LK_DOC<=_type<=LK_DOC_LINE)) {
DocWrite(doc);
if (edf_dof_flags&EDF_WAS_WRITE)
res=TRUE;
}
}
DirContextDel(doc->filename.dirc);
}
if (!(LK_DOC<=_type<=LK_DOC_LINE))
DocDel(doc);
}
} catch {
Silent(old_silent);
res=FALSE;
}
Fs->border_src=old_border_src;
return res;
}
#define DFT_ADDR_LINK_BIN_SIZE 64
public I64 EdLinkCvt(U8 *link_st,U8 **_filename=NULL,U8 **_needle_str=NULL,
I64 *_num=NULL,I64 edf_dof_flags=0)
{//$LK,"Editor Link",A="MN:LK_FILE"$--> filename, needle_str and line number.
U8 *st,*ptr,*src,*filename=NULL,*needle_str=NULL,*filename2;
I64 res,i,num=1;
CHashSrcSym *tmph;
if (!link_st||!*link_st) {
if (edf_dof_flags&EDF_BAIL)
return -1;
link_st=blkdev.tmp_filename;
}
st=StrNew(link_st);
res=LK_FILE;
if (StrLen(st)>3 && st[2]==':') {
st[2]=0;
filename2=st+3;
switch (res=DefineMatch(st,"ST_LINK_TYPES",LMF_IGNORE_CASE)) {
case LK_MAN_PAGE:
if (tmph=HashFind(filename2,Fs->hash_table,HTG_SRC_SYM))
res=EdLinkCvt(tmph->src_link,&filename,
&needle_str,&num,edf_dof_flags);
else
res=-1;
goto lc_done;
case LK_ADDR:
if (ptr=StrLastOcc(filename2,",")) {
*ptr=0;
i=Str2I64(ptr+1);
} else
i=DFT_ADDR_LINK_BIN_SIZE;
if (ptr=SrcEdLink(ExePrint("%s;",filename2),i)) {
res=EdLinkCvt(ptr,&filename,&needle_str,&num,edf_dof_flags);
Free(ptr);
} else
res=-1;
goto lc_done;
case LK_DEF:
if (ptr=StrLastOcc(filename2,",")) {
*ptr=0;
i=Str2I64(ptr+1);
} else
i=-1;
filename=StrNew(filename2);
num=i;
goto lc_done;
case LK_HELP_INDEX:
filename=StrNew(filename2);
goto lc_done;
case LK_BIBLE_FIND:
if (ptr=StrLastOcc(filename2,",")) {
*ptr=0;
src=ptr+1;
while (*src) { //We do not allow ending verse
if (*src=='-')
*src=0;
src++;
}
needle_str=StrNew(ptr+1);
}
i=DefineMatch(filename2,"ST_BIBLE_BOOKS",LMF_IGNORE_CASE);
if (i<0)
res=-1;
else {
num=Str2I64(DefineSub(i,"ST_BIBLE_BOOK_LINES"));
filename2=BIBLE_FILENAME;
}
break;
case LK_FILE_LINE:
case LK_PLAIN_LINE:
case LK_DOC_LINE:
if (ptr=StrLastOcc(filename2,",")) {
*ptr=0;
num=Str2I64(ptr+1);
}
break;
case LK_FILE_ANCHOR:
case LK_DOC_ANCHOR:
if (ptr=StrLastOcc(filename2,",")) {
*ptr=0;
needle_str=StrNew(ptr+1);
}
break;
case LK_FILE_FIND:
case LK_PLAIN_FIND:
case LK_DOC_FIND:
if (ptr=StrLastOcc(filename2,",")) {
*ptr=0;
needle_str=StrNew(ptr+1);
if (ptr=StrLastOcc(needle_str,":")) {
*ptr=0;
num=Str2I64(ptr+1);
}
}
break;
}
} else
filename2=st;
if (res>=0) {
if (LK_DOC<=res<=LK_DOC_LINE)
filename=StrNew(filename2); //Holds document address as number.
else
filename=FileNameAbs(filename2,FUF_Z_OR_NOT_Z);
}
lc_done:
Free(st);
if (_filename)
*_filename=filename;
else
Free(filename);
if (_needle_str)
*_needle_str=needle_str;
else
Free(needle_str);
if (_num)
*_num=num;
return res;
}
public Bool DocLinkChk(CDoc *doc,U8 *link_st)
{//Check for bad $LK,"Editor Link",A="MN:LK_FILE"$.
U8 *filename,*st;
Bool res=FALSE;
CDirContext *dirc;
if (link_st) {
st=FileNameAbs(doc->filename.name);
dirc=DirContextNew(st);
Free(st);
switch (EdLinkCvt(link_st,&filename)) {
case -1:
break;
case LK_FILE_LINE:
case LK_PLAIN_LINE:
case LK_FILE:
//We don't check line number
res=FileFind(filename,,
FUF_JUST_FILES|FUF_Z_OR_NOT_Z|FUF_SCAN_PARENTS);
break;
case LK_BIBLE_FIND:
st=StrNew(link_st+3);
if (StrOcc(st,','))
StrLastRem(st,",");
if (DefineMatch(st,"ST_BIBLE_BOOKS",LMF_IGNORE_CASE)>=0)
res=TRUE;
Free(st);
break;
default://TODO: Need to validate HI: and DN:
if (Ed(link_st,EDF_BAIL))
res=TRUE;
}
Free(filename);
DirContextDel(dirc);
}
return res;
}
public U8 *DocLinkFile(U8 *link_st,CTask *mem_task=NULL)
{//Return the file for an $LK,"Editor Link Types",A="MN:LK_FILE"$.
U8 *filename=NULL,*st,*res=NULL;
if (link_st) {
switch (EdLinkCvt(link_st,&filename)) {
case LK_FILE:
case LK_FILE_ANCHOR:
case LK_FILE_FIND:
case LK_FILE_LINE:
case LK_PLAIN:
case LK_PLAIN_FIND:
case LK_PLAIN_LINE:
st=FileNameAbs(filename,FUF_Z_OR_NOT_Z|FUF_SCAN_PARENTS);
res=StrNew(st);
Free(st);
break;
case LK_BIBLE_FIND:
res=StrNew(BIBLE_FILENAME,mem_task);
break;
}
Free(filename);
}
return res;
}
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