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/++
native headers using<br>@title:<BR>:subtitle:<BR>type tags<BR>
extract native/orig header return associative array
+/
module sdp.ao_conf_make_meta_native;
template SiSUheaderExtractNative() {
private import
std.exception,
std.regex,
std.stdio,
std.string,
std.traits,
std.typecons,
std.utf,
std.conv : to;
private import
sdp.ao_rgx,
sdp.ao_defaults;
struct HeaderDocMetadataAndMakeNativeToAA {
mixin SiSUregisters;
mixin SiSUrgxInitFlags;
mixin SiSUrgxInit;
auto rgx = Rgx();
enum State { off, on }
string hm, hs;
auto header_metadata_and_make_aa(H,Me,Ma)(
H header,
Me dochead_meta,
Ma dochead_make
)
in {
debug(asserts){
static assert(is(typeof(header) == string));
static assert(is(typeof(dochead_meta) == string[string][string]));
static assert(is(typeof(dochead_make) == string[string][string]));
}
}
body {
scope(exit) {
destroy(header);
destroy(dochead_meta);
destroy(dochead_make);
}
if (auto t = header.match(rgx.native_header_main)) {
char[][] header_obj_spl =
(cast(char[]) header).split(rgx.line_delimiter_ws_strip);
auto hm = to!string(t.captures[1]);
if (hm.match(rgx.main_headers)) {
foreach (line; header_obj_spl) {
if (auto m = line.match(rgx.native_header_main)) {
if (!empty(m.captures[2])) {
if (hm == "creator") {
dochead_meta[hm]["author"] =
to!string(m.captures[2]);
} else if (hm == "title") {
dochead_meta[hm]["main"] =
to!string(m.captures[2]);
} else if (hm == "publisher") {
dochead_meta[hm]["name"] =
to!string(m.captures[2]);
}
}
} else if (auto s = match(line, rgx.native_header_sub)) {
if (!empty(s.captures[2])) {
auto hs = to!string(s.captures[1]);
if ((hm == "make" )
&& (dochead_make[hm])) {
switch (hm) {
case "make":
if (hs.match(rgx.native_subhead_make)) {
if (dochead_make[hm][hs]) {
dochead_make[hm][hs] = to!string(s.captures[2]);
}
} else {
writeln("not a valid header type:", hm, ":", hs);
destroy(hm);
destroy(hs);
}
break;
default:
break;
}
} else if (dochead_meta[hm]) {
switch (hm) {
case "creator":
if (hs.match(rgx.native_subhead_creator)) {
if (dochead_meta[hm][hs]) {
dochead_meta[hm][hs] =
to!string(s.captures[2]);
}
} else {
writeln("not a valid header type:", hm, ":", hs);
destroy(hm);
destroy(hs);
}
break;
case "title":
if (hs.match(rgx.native_subhead_title)) {
if ((hs == "subtitle")
&& (dochead_meta[hm]["sub"])) {
dochead_meta[hm]["sub"] =
to!string(s.captures[2]);
} else if (dochead_meta[hm][hs]) {
dochead_meta[hm][hs] =
to!string(s.captures[2]);
}
} else {
writeln("not a valid header type:", hm, ":", hs);
destroy(hm);
destroy(hs);
}
break;
case "rights":
if (hs.match(rgx.native_subhead_rights)) {
if (dochead_meta[hm][hs]) {
dochead_meta[hm][hs] =
to!string(s.captures[2]);
}
} else {
writeln("not a valid header type:", hm, ":", hs);
destroy(hm);
destroy(hs);
}
break;
case "date":
if (hs.match(rgx.native_subhead_date)) {
if (dochead_meta[hm][hs]) {
dochead_meta[hm][hs] =
to!string(s.captures[2]);
}
} else {
writeln("not a valid header type:", hm, ":", hs);
destroy(hm);
destroy(hs);
}
break;
case "original":
if (hs.match(rgx.native_subhead_original)) {
if (dochead_meta[hm][hs]) {
dochead_meta[hm][hs] =
to!string(s.captures[2]);
}
} else {
writeln("not a valid header type:", hm, ":", hs);
destroy(hm);
destroy(hs);
}
break;
case "classify":
if (hs.match(rgx.native_subhead_classify)) {
if (dochead_meta[hm][hs]) {
dochead_meta[hm][hs] =
to!string(s.captures[2]);
}
} else {
writeln("not a valid header type:", hm, ":", hs);
destroy(hm);
destroy(hs);
}
break;
case "identifier":
if (hs.match(rgx.native_subhead_identifier)) {
if (dochead_meta[hm][hs]) {
dochead_meta[hm][hs] =
to!string(s.captures[2]);
}
} else {
writeln("not a valid header type:", hm, ":", hs);
destroy(hm);
destroy(hs);
}
break;
case "notes":
if (hs.match(rgx.native_subhead_notes)) {
if (dochead_meta[hm][hs]) {
dochead_meta[hm][hs] =
to!string(s.captures[2]);
}
} else {
writeln("not a valid header type:", hm, ":", hs);
destroy(hm);
destroy(hs);
}
break;
case "publisher":
if (hs.match(rgx.native_subhead_publisher)) {
if (dochead_meta[hm][hs]) {
dochead_meta[hm][hs] =
to!string(s.captures[2]);
}
} else {
writeln("not a valid header type:", hm, ":", hs);
destroy(hm);
destroy(hs);
}
break;
case "links":
destroy(hm);
destroy(hs);
break;
default:
break;
}
}
}
}
}
} else {
writeln("not a valid header type:", hm);
}
}
auto t = tuple(dochead_meta, dochead_make);
static assert(t.length==2);
return t;
}
private auto native_header_extract(L,Lo,O,T)(
L line,
return ref Lo line_occur,
return ref O an_object,
return ref T type
) {
debug(asserts){
static assert(is(typeof(line) == char[]));
static assert(is(typeof(line_occur) == int[string]));
static assert(is(typeof(an_object) == string[string]));
static assert(is(typeof(type) == int[string]));
}
if (line.matchFirst(rgx.native_header_make)) { /+ matched header_make +/
debug(header1) { /+ writeln(line); +/ }
type["header"] = State.on;
type["header_make"] = State.on;
type["header_meta"] = State.off;
++line_occur["header_make"];
an_object["body_nugget"] ~= line ~= "\n";
} else if (line.matchFirst(rgx.native_header)) { /+ matched header_metadata +/
/+ (generic header match and not previously caught by header_make) +/
debug(header1) { /+ writeln(line); +/ }
type["header"] = State.on;
type["header_make"] = State.off;
type["header_meta"] = State.on;
++line_occur["header_meta"];
an_object["body_nugget"] ~= line ~= "\n";
} else if (type["header_make"] == State.on
&& (line_occur["header_make"] > State.off)) { /+ header_make flag set +/
if (line.matchFirst(rgx.native_header_sub)) { /+ sub-header +/
debug(header1) { /+ writeln(line); +/ }
++line_occur["header_make"];
an_object["body_nugget"] ~= line ~= "\n";
}
} else if (type["header_meta"] == State.on
&& (line_occur["header_meta"] > State.off)) { /+ header_metadata flag set +/
if (line.matchFirst(rgx.native_header_sub)) { /+ sub-header +/
debug(header1) { /+ writeln(line); +/ }
++line_occur["header_meta"];
an_object["body_nugget"] ~= line ~= "\n";
}
}
return an_object;
}
auto header_reset_states_common(Lo,O,T)(
return ref Lo line_occur,
return ref O an_object,
return ref T type
) {
debug(asserts){
static assert(is(typeof(line_occur) == int[string]));
static assert(is(typeof(an_object) == string[string]));
static assert(is(typeof(type) == int[string]));
}
line_occur["header_make"] = State.off;
line_occur["header_meta"] = State.off;
type["header"] = State.off;
an_object.remove("body_nugget");
an_object.remove("is");
an_object.remove("attrib");
}
private auto headerNativeToAA(Hn)(Hn src_header) {
debug(asserts){
static assert(is(typeof(src_header) == char[]));
}
auto type = flags_type_init;
type = [
"header" : State.off,
"header_make" : State.off,
"header_meta" : State.off,
];
string[string] an_object;
int[string] line_occur;
auto dochead_make = make_aa;
auto dochead_meta = meta_aa;
auto set_header = HeaderDocMetadataAndMakeNativeToAA();
char[][] source_header_arr =
(cast(char[]) src_header).split(rgx.newline_eol_delimiter);
foreach(header_line; source_header_arr) {
if (auto m = header_line.matchFirst(rgx.comment)) {
/+ matched comment +/
debug(comment) {
}
header_reset_states_common(line_occur, an_object, type);
} else if ((header_line.matchFirst(rgx.native_header))
|| (type["header_make"] == State.on
&& (line_occur["header_make"] > State.off))
|| (type["header_meta"] == State.on
&& (line_occur["header_meta"] > State.off))) {
if (header_line.length == 0) {
/+ header_make instructions (current line empty) +/
auto dochead_metadata_and_make =
set_header.header_metadata_and_make_aa(strip(an_object["body_nugget"]), dochead_meta, dochead_make);
static assert(!isTypeTuple!(dochead_metadata_and_make));
dochead_meta = dochead_metadata_and_make[0];
dochead_make = dochead_metadata_and_make[1];
header_reset_states_common(line_occur, an_object, type);
type["header_make"] = State.off;
type["header_meta"] = State.off;
debug(headersdlang) {
writeln(dochead_metadata_and_make);
}
} else {
an_object = native_header_extract(header_line, line_occur, an_object, type);
}
}
}
auto t = tuple(
dochead_make,
dochead_meta,
);
return t;
}
}
}
|
