aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/doc_reform/io_in/read_source_files.d
blob: 7d826a956a5829cbd4a99e90d6285e79147a32e1 (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
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
/++
  module source_read_source_files;<BR>
  - open markup files<BR>
  - if master file scan for addional files to import/insert
+/
module doc_reform.io_in.read_source_files;
template spineRawMarkupContent() {
  import
    std.file,
    std.path,
    doc_reform.meta,
    doc_reform.io_in.paths_source,
    doc_reform.meta.rgx;
  mixin spineRgxIn;
  static auto rgx = RgxI();
  string[] _images=[];
  @safe string[] _extract_images(S)(S content_block) {
    string[] images_;
    string _content_block = content_block.to!string;
    if (auto m = _content_block.matchAll(rgx.image)) {
      images_ ~= m.captures[1].to!string;
    }
    return images_;
  }
  auto rawsrc = RawMarkupContent();
  alias ContentsInsertsImages = Tuple!(
    char[][], "contents",
    string[], "insert_files",
    string[], "images"
  );
  alias HeaderContentInsertsImages = Tuple!(
    char[],   "header",
    char[][], "src_txt",
    string[], "insert_files",
    string[], "images"
  );
  @safe auto spineRawMarkupContent(O,Fn)(O _opt_action, Fn fn_src) {
    auto _0_header_1_body_content_2_insert_filelist_tuple
      = rawsrc.sourceContentSplitIntoHeaderAndBody(_opt_action, rawsrc.sourceContent(fn_src), fn_src);
    return _0_header_1_body_content_2_insert_filelist_tuple;
  }
  struct RawMarkupContent {
    @safe final sourceContent(in string fn_src) {
      auto raw = MarkupRawUnit();
      string source_txt_str
        = raw.markupSourceReadIn(fn_src);
      return source_txt_str;
    }
    @safe final auto sourceContentSplitIntoHeaderAndBody(O)(
      O         _opt_action,
      in string source_txt_str,
      in string fn_src=""
    ) {
      auto raw = MarkupRawUnit();
      string[] insert_file_list;
      string[] images_list;
      HeaderContentInsertsImages t
        = raw.markupSourceHeaderContentRawLineTupleArray(source_txt_str);
      char[] header_raw = t.header;
      char[][] sourcefile_body_content = t.src_txt;
      if (fn_src.match(rgx.src_fn_master)) { // filename with path needed if master file (.ssm) not otherwise
        auto ins = Inserts();
        ContentsInsertsImages tu
          = ins.scan_master_src_for_insert_files_and_import_content(_opt_action, sourcefile_body_content, fn_src);
        sourcefile_body_content = tu.contents;
        insert_file_list = tu.insert_files.dup;
        images_list = tu.images.dup;
      } else if (_opt_action.source || _opt_action.pod) {
        auto ins = Inserts();
        ContentsInsertsImages tu
          = ins.scan_master_src_for_insert_files_and_import_content(_opt_action, sourcefile_body_content, fn_src);
        images_list = tu.images.dup;
      }
      string header_type = "";
      t = tuple(
        header_raw,
        sourcefile_body_content,
        insert_file_list,
        images_list
      );
      return t;
    }
  }
  struct MarkupRawUnit {
    import std.file;
    @safe final private string readInMarkupSource(in char[] fn_src) {
      enforce(
        exists(fn_src) != 0,
        "file not found: «" ~
        fn_src ~ "»"
      );
      string source_txt_str;
      try {
        if (exists(fn_src)) {
          if (fn_src.getLinkAttributes.attrIsFile) {
            source_txt_str = fn_src.readText;
          } else {
          }
        }
      } catch (ErrnoException ex) {
      } catch (UTFException ex) {
        // Handle validation errors
      } catch (FileException ex) {
        // Handle errors
      }
      std.utf.validate(source_txt_str);
      return source_txt_str;
    }
    @trusted final private char[][] header0Content1(in string src_text) { // cast(char[])
      /+ split string on _first_ match of "^:?A~\s" into [header, content] array/tuple +/
      char[][] header_and_content;
      auto m = (cast(char[]) src_text).matchFirst(rgx.heading_a);
      header_and_content ~= m.pre;
      header_and_content ~= m.hit ~ m.post;
      assert(header_and_content.length == 2,
        "document markup is broken, header body split == "
        ~ header_and_content.length.to!string
        ~ "; (header / body array split should == 2 (split is on level A~))"
      );
      return header_and_content;
    }
    @trusted final private char[][] markupSourceLineArray(in char[] src_text) { // cast(char[])
      char[][] source_line_arr
        = (cast(char[]) src_text).split(rgx.newline_eol_strip_preceding);
      return source_line_arr;
    }
    @safe string markupSourceReadIn(in string fn_src) {
      static auto rgx = RgxI();
      enforce(
        fn_src.match(rgx.src_pth_sst_or_ssm),
        "not a dr markup filename: «" ~
        fn_src ~ "»"
      );
      string source_txt_str = readInMarkupSource(fn_src);
      return source_txt_str;
    }
    @safe HeaderContentInsertsImages markupSourceHeaderContentRawLineTupleArray(in string source_txt_str) {
      string[] file_insert_list = [];
      string[] images_list = [];
      char[][] hc = header0Content1(source_txt_str);
      char[] header = hc[0];
      char[] source_txt = hc[1];
      char[][] source_line_arr = markupSourceLineArray(source_txt);
      HeaderContentInsertsImages t = tuple(
        header,
        source_line_arr,
        file_insert_list,
        images_list
      );
      return t;
    }
    @safe final char[][] getInsertMarkupSourceContentRawLineArray(
      in char[]    fn_src_insert,
      Regex!(char) rgx_file
    ) {
      enforce(
        fn_src_insert.match(rgx_file),
        "not a dr markup filename: «" ~
        fn_src_insert  ~ "»"
      );
      string source_txt_str = readInMarkupSource(fn_src_insert);
      char[][] source_line_arr = markupSourceLineArray(source_txt_str);
      return source_line_arr;
    }
  }
  struct Inserts {
    alias ContentsAndImages = Tuple!(
      char[][], "insert_contents",
      string[], "images"
    );
    @safe ContentsAndImages scan_subdoc_source(O)(
      O        _opt_action,
      char[][] markup_sourcefile_insert_content,
      string   fn_src
    ) {
      mixin spineRgxDocStructFlags;
      char[][] contents_insert;
      int[string] type1 = flags_type_init;
      auto fn_pth_full = fn_src.match(rgx.src_pth_sst_or_ssm);
      auto markup_src_file_path = fn_pth_full.captures[1];
      foreach (line; markup_sourcefile_insert_content) {
        if (type1["curly_code"] == 1) {
          type1["header_make"] = 0;
          type1["header_meta"] = 0;
          if (line.matchFirst(rgx.block_curly_code_close)) {
            type1["curly_code"] = 0;
          }
          contents_insert ~= line;
        } else if (line.matchFirst(rgx.block_curly_code_open)) {
          type1["curly_code"] = 1;
          type1["header_make"] = 0;
          type1["header_meta"] = 0;
          contents_insert ~= line;
        } else if (type1["tic_code"] == 1) {
          type1["header_make"] = 0;
          type1["header_meta"] = 0;
          if (line.matchFirst(rgx.block_tic_close)) {
            type1["tic_code"] = 0;
          }
          contents_insert ~= line;
        } else if (line.matchFirst(rgx.block_tic_code_open)) {
          type1["tic_code"] = 1;
          type1["header_make"] = 0;
          type1["header_meta"] = 0;
          contents_insert ~= line;
        } else if (auto m = line.match(rgx.insert_src_fn_ssi_or_sst)) {
          type1["header_make"] = 0;
          type1["header_meta"] = 0;
          auto insert_fn = m.captures[2];
          auto insert_sub_pth = m.captures[1];
          auto fn_src_insert
            = chainPath(markup_src_file_path, insert_sub_pth ~ insert_fn).array;
          auto raw = MarkupRawUnit();
          auto markup_sourcesubfile_insert_content
            = raw.getInsertMarkupSourceContentRawLineArray(fn_src_insert, rgx.src_fn_find_inserts);
          debug(insert_file) {
            writeln(line);
            writeln(fn_src_insert);
            writeln(
              "  length contents insert array: ",
              markup_sourcesubfile_insert_content.length
            );
          }
          if (_opt_action.source || _opt_action.pod) {
            _images ~= _extract_images(markup_sourcesubfile_insert_content);
          }
          auto ins = Inserts();
          /+
            - 1. load file
            - 2. read lines
            - 3. scan lines
              - a. if filename insert, and insert filename
                 - repeat 1
              - b. else
                 - add line to new array;
                 - build image list, search for any image files to add to image list
          +/
        } else {
          type1["header_make"] = 0;
          type1["header_meta"] = 0;
          contents_insert ~= line; // images to extract for image list?
          if (_opt_action.source || _opt_action.pod) {
            string[] _image_linelist = _extract_images(line);
            if (_image_linelist.length > 0) {
              _images ~= _image_linelist;
            }
          }
        }
      } // end src subdoc (inserts) loop
      ContentsAndImages t = tuple(
        contents_insert,
        _images
      );
      return t;
    }
    @safe ContentsInsertsImages scan_master_src_for_insert_files_and_import_content(O)(
      O        _opt_action,
      char[][] sourcefile_body_content,
      string   fn_src
    ) {
      import std.algorithm;
      mixin spineRgxDocStructFlags;
      char[][] contents;
      int[string] type = flags_type_init;
      auto fn_pth_full = fn_src.match(rgx.src_pth_sst_or_ssm);
      auto markup_src_file_path = fn_pth_full.captures[1];
      char[][] contents_insert;
      string[] _images =[];
      string[] insert_file_list =[];
      foreach (line; sourcefile_body_content) {
        if (type["curly_code"] == 1) {
          if (line.matchFirst(rgx.block_curly_code_close)) {
            type["curly_code"] = 0;
          }
          contents ~= line;
        } else if (line.matchFirst(rgx.block_curly_code_open)) {
          type["curly_code"] = 1;
          contents ~= line;
        } else if (type["tic_code"] == 1) {
          if (line.matchFirst(rgx.block_tic_close)) {
            type["tic_code"] = 0;
          }
          contents ~= line;
        } else if (line.matchFirst(rgx.block_tic_code_open)) {
          type["tic_code"] = 1;
          contents ~= line;
        } else if (auto m = line.match(rgx.insert_src_fn_ssi_or_sst)) {
          auto insert_fn = m.captures[2];
          auto insert_sub_pth = m.captures[1];
          auto fn_src_insert
            = chainPath(markup_src_file_path, insert_sub_pth ~ insert_fn).array;
            insert_file_list ~= fn_src_insert.to!string;
          auto raw = MarkupRawUnit();
          /+ TODO +/
          auto markup_sourcefile_insert_content
            = raw.getInsertMarkupSourceContentRawLineArray(fn_src_insert, rgx.src_fn_find_inserts);
          debug(insert_file) {
            writeln(line);
            writeln(fn_src_insert);
            writeln(
              "  length contents insert array: ",
              markup_sourcefile_insert_content.length
            );
          }
          auto ins = Inserts();
          ContentsAndImages contents_insert_tu = ins.scan_subdoc_source(
            _opt_action,
            markup_sourcefile_insert_content,
            fn_src_insert.to!string
          );
          contents ~= contents_insert_tu.insert_contents;
          if (_opt_action.source || _opt_action.pod) {
            string[] _image_linelist = _extract_images(contents_insert_tu.images);
            if (_image_linelist.length > 0) {
              _images ~= _image_linelist;
            }
          }
          /+
            - 1. load file
            - 2. read lines
            - 3. scan lines
              - a. if filename insert, and insert filename
                 - repeat 1
              - b. else
                 - add line to new array;
                 - build image list, search for any image files to add to image list
          +/
        } else {
          contents ~= line;
          if (_opt_action.source || _opt_action.pod) {
            string[] _image_linelist = _extract_images(line);
            if (_image_linelist.length > 0) {
              _images ~= _image_linelist;
            }
          }
        }
      } // end src doc loop
      string[] images = [];
      foreach(i; uniq(_images.sort())) {
        images ~= i;
      }
      debug(insert_file) {
        writeln(__LINE__);
        writeln(contents.length);
      }
      ContentsInsertsImages t = tuple(
        contents,
        insert_file_list,
        images
      );
      return t;
    }
  }
}