private int Import_url_chk( byte[] rel_url_prefix, byte[] src, int src_len, int old_pos, int find_bgn, byte[] url_raw, Bry_bfr bfr) { if (find_bgn < Bry_import_len) return Bry_find_.Not_found; if (!Bry_.Match(src, find_bgn - Bry_import_len, find_bgn, Bry_import)) return Bry_find_.Not_found; byte[] css_url = url_raw; int css_url_len = css_url.length; if (css_url_len > 0 && css_url[0] == Byte_ascii .Slash) { // css_url starts with "/"; EX: "/page" or "//site/page" DATE:2014-02-03 if (css_url_len > 1 && css_url[1] != Byte_ascii.Slash) // skip if css_url starts with "//"; EX: "//site/page" css_url = Bry_.Add(rel_url_prefix, css_url); // "/w/a.css" -> "//en.wikipedia.org/w/a.css" } css_url = Bry_.Replace( css_url, Byte_ascii.Space, Byte_ascii .Underline); // NOTE: must replace spaces with underlines else download will fail; // EX:https://it.wikivoyage.org/w/index.php?title=MediaWiki:Container e // Infobox.css&action=raw&ctype=text/css; DATE:2015-03-08 byte[] css_src_bry = Import_url_build(stylesheet_prefix, rel_url_prefix, css_url); String css_src_str = String_.new_u8(css_src_bry); download_wkr.Download_xrg() .Prog_fmt_hdr_( usr_dlg.Log_many( GRP_KEY, "logo.download", "downloading import for '~{0}'", css_src_str)); byte[] css_trg_bry = download_wkr.Download_xrg().Exec_as_bry(css_src_str); if (css_trg_bry == null) { usr_dlg.Warn_many("", "", "could not import css: url=~{0}", css_src_str); return Bry_find_.Not_found; // css not found } bfr.Add_mid(src, old_pos, find_bgn - Bry_import_len).Add_byte_nl(); bfr.Add(Bry_comment_bgn).Add(css_url).Add(Bry_comment_end).Add_byte_nl(); if (Bry_find_.Find_fwd(css_url, Wikisource_dynimg_ttl) != -1) css_trg_bry = Bry_.Replace( css_trg_bry, Wikisource_dynimg_find, Wikisource_dynimg_repl); // FreedImg hack; // PAGE:en.s:Page:Notes_on_Osteology_of_Baptanodon._With_a_Description_of_a_New_Species.pdf/3 DATE:2014-09-06 bfr.Add(css_trg_bry).Add_byte_nl(); bfr.Add_byte_nl(); int semic_pos = Bry_find_.Find_fwd(src, Byte_ascii.Semic, find_bgn + url_raw.length, src_len); return semic_pos + Int_.Const_dlm_len; }
public byte[] Convert_to_local_urls(byte[] rel_url_prefix, byte[] src, List_adp list) { try { int src_len = src.length; int prv_pos = 0; Bry_bfr bfr = Bry_bfr_.New_w_size(src_len); Hash_adp img_hash = Hash_adp_bry.cs(); while (true) { int url_pos = Bry_find_.Find_fwd(src, Bry_url, prv_pos); if (url_pos == Bry_find_.Not_found) { bfr.Add_mid(src, prv_pos, src_len); break; } // no more "url("; exit; int bgn_pos = url_pos + Bry_url_len; // set bgn_pos after "url(" byte bgn_byte = src[bgn_pos]; byte end_byte = Byte_ascii.Null; boolean quoted = true; switch (bgn_byte) { // find end_byte case Byte_ascii.Quote: case Byte_ascii.Apos: // quoted; end_byte is ' or " end_byte = bgn_byte; ++bgn_pos; break; default: // not quoted; end byte is ")" end_byte = Byte_ascii.Paren_end; quoted = false; break; } int end_pos = Bry_find_.Find_fwd(src, end_byte, bgn_pos, src_len); if (end_pos == Bry_find_.Not_found) { // unclosed "url("; exit since nothing else will be found usr_dlg.Warn_many( GRP_KEY, "parse.invalid_url.end_missing", "could not find end_sequence for 'url(': bgn='~{0}' end='~{1}'", prv_pos, String_.new_u8__by_len(src, prv_pos, prv_pos + 25)); bfr.Add_mid(src, prv_pos, src_len); break; } if (end_pos - bgn_pos == 0) { // empty; "url()"; ignore usr_dlg.Warn_many( GRP_KEY, "parse.invalid_url.empty", "'url(' is empty: bgn='~{0}' end='~{1}'", prv_pos, String_.new_u8__by_len(src, prv_pos, prv_pos + 25)); bfr.Add_mid(src, prv_pos, bgn_pos); prv_pos = bgn_pos; continue; } byte[] img_raw = Bry_.Mid(src, bgn_pos, end_pos); int img_raw_len = img_raw.length; if (Bry_.Has_at_bgn(img_raw, Bry_data_image, 0, img_raw_len)) { // base64 bfr.Add_mid(src, prv_pos, end_pos); // nothing to download; just add entire String prv_pos = end_pos; continue; } int import_url_end = Import_url_chk( rel_url_prefix, src, src_len, prv_pos, url_pos, img_raw, bfr); // check for embedded stylesheets via @import tag if (import_url_end != Bry_find_.Not_found) { prv_pos = import_url_end; continue; } byte[] img_cleaned = Xob_url_fixer.Fix(wiki_domain, img_raw, img_raw_len); if (img_cleaned == null) { // could not clean img usr_dlg.Warn_many( GRP_KEY, "parse.invalid_url.clean_failed", "could not extract valid http src: bgn='~{0}' end='~{1}'", prv_pos, String_.new_u8(img_raw)); bfr.Add_mid(src, prv_pos, bgn_pos); prv_pos = bgn_pos; continue; } if (!img_hash.Has(img_cleaned)) { // only add unique items for download; img_hash.Add_as_key_and_val(img_cleaned); list.Add(String_.new_u8(img_cleaned)); } img_cleaned = Replace_invalid_chars( Bry_.Copy( img_cleaned)); // NOTE: must call ByteAry.Copy else img_cleaned will change // *inside* hash bfr.Add_mid(src, prv_pos, bgn_pos); if (!quoted) bfr.Add_byte(Byte_ascii.Quote); bfr.Add(img_cleaned); if (!quoted) bfr.Add_byte(Byte_ascii.Quote); prv_pos = end_pos; } return bfr.To_bry_and_clear(); } catch (Exception e) { usr_dlg.Warn_many( "", "", "failed to convert local_urls: ~{0} ~{1}", String_.new_u8(rel_url_prefix), Err_.Message_gplx_full(e)); return src; } }
String Replace_invalid_chars_str(String raw_str) { return String_.new_u8(Replace_invalid_chars(Bry_.new_u8(raw_str))); }