// file : mod/page.cxx -*- C++ -*- // copyright : Copyright (c) 2014-2016 Code Synthesis Ltd // license : MIT; see accompanying LICENSE file #include #include #include // hex, uppercase, right #include #include // setw(), setfill() #include // min() #include #include #include #include #include using namespace std; using namespace xml; using namespace web; using namespace web::xhtml; namespace brep { // CSS_LINKS // void CSS_LINKS:: operator() (serializer& s) const { static const path css ("@"); s << *LINK(REL="stylesheet", TYPE="text/css", HREF=root_ / css / path_); } // DIV_HEADER // void DIV_HEADER:: operator() (serializer& s) const { if (!logo_.empty () || !menu_.empty ()) { s << DIV(ID="header-bar") << DIV(ID="header"); if (!logo_.empty ()) s << DIV(ID="header-logo") << logo_ << ~DIV; if (!menu_.empty ()) { s << DIV(ID="header-menu") << DIV(ID="header-menu-body"); for (const auto& m: menu_) { const string& l (m.link[0] == '/' || m.link.find (':') != string::npos ? m.link : root_.string () + m.link); s << A(HREF=l) << m.label << ~A; } s << ~DIV << ~DIV; } s << ~DIV << ~DIV; } } // FORM_SEARCH // void FORM_SEARCH:: operator() (serializer& s) const { // The 'action' attribute is optional in HTML5. While the standard doesn't // specify browser behavior explicitly for the case the attribute is // ommited, the only reasonable behavior is to default it to the current // document URL. // s << FORM(ID="search") << TABLE(CLASS="form-table") << TBODY << TR << TD(ID="search-txt") << *INPUT(TYPE="search", NAME="q", VALUE=query_, AUTOFOCUS="autofocus") << ~TD << TD(ID="search-btn") << *INPUT(TYPE="submit", VALUE="Search") << ~TD << ~TR << ~TBODY << ~TABLE << ~FORM; } // DIV_COUNTER // void DIV_COUNTER:: operator() (serializer& s) const { s << DIV(ID="count") << count_ << " " << (count_ % 10 == 1 && count_ % 100 != 11 ? singular_ : plural_) << ~DIV; } // TR_NAME // void TR_NAME:: operator() (serializer& s) const { s << TR(CLASS="name") << TH << "name" << ~TH << TD << SPAN(CLASS="value") << A << HREF // Propagate search criteria to the package details page. // << root_ / path (mime_url_encode (name_)) << query_param_ << ~HREF << name_ << ~A << ~SPAN << ~TD << ~TR; } void TR_VERSION:: operator() (serializer& s) const { s << TR(CLASS="version") << TH << "version" << ~TH << TD << SPAN(CLASS="value"); if (package_ == nullptr) s << version_; else { assert (root_ != nullptr); s << A(HREF=*root_ / path (mime_url_encode (*package_)) / path (version_)) << version_ << ~A; } s << ~SPAN << ~TD << ~TR; } // TR_SUMMARY // void TR_SUMMARY:: operator() (serializer& s) const { s << TR(CLASS="summary") << TH << "summary" << ~TH << TD << SPAN(CLASS="value") << summary_ << ~SPAN << ~TD << ~TR; } // TR_LICENSE // void TR_LICENSE:: operator() (serializer& s) const { s << TR(CLASS="license") << TH << "license" << ~TH << TD << SPAN(CLASS="value"); for (const auto& la: licenses_) { if (&la != &licenses_[0]) s << " " << EM << "or" << ~EM << " "; bool m (la.size () > 1); if (m) s << "("; for (const auto& l: la) { if (&l != &la[0]) s << " " << EM << "and" << ~EM << " "; s << l; } if (m) s << ")"; } s << ~SPAN << ~TD << ~TR; } // TR_LICENSES // void TR_LICENSES:: operator() (serializer& s) const { for (const auto& la: licenses_) { s << TR(CLASS="license") << TH << "license" << ~TH << TD << SPAN(CLASS="value"); for (const auto& l: la) { if (&l != &la[0]) s << " " << EM << "and" << ~EM << " "; s << l; } s << ~SPAN << SPAN_COMMENT (la.comment) << ~TD << ~TR; } } // TR_TAGS // void TR_TAGS:: operator() (serializer& s) const { if (!tags_.empty ()) { s << TR(CLASS="tags") << TH << "tags" << ~TH << TD << SPAN(CLASS="value"); for (const auto& t: tags_) { if (&t != &tags_[0]) s << " "; s << A << HREF << root_ << "?q=" << mime_url_encode (t) << ~HREF << t << ~A; } s << ~SPAN << ~TD << ~TR; } } // TR_DEPENDS // void TR_DEPENDS:: operator() (serializer& s) const { s << TR(CLASS="depends") << TH << "depends" << ~TH << TD << SPAN(CLASS="value") << dependencies_.size (); if (!dependencies_.empty ()) s << "; "; for (const auto& d: dependencies_) { if (&d != &dependencies_[0]) s << ", "; if (d.conditional) s << "?"; // Suppress package name duplicates. // set names; for (const auto& da: d) names.emplace (da.name ()); bool mult (names.size () > 1); if (mult) s << "("; bool first (true); for (const auto& da: d) { string n (da.name ()); if (names.find (n) != names.end ()) { names.erase (n); if (first) first = false; else s << " | "; shared_ptr p (da.package.load ()); assert (p->internal () || !p->other_repositories.empty ()); shared_ptr r ( p->internal () ? p->internal_repository.load () : p->other_repositories[0].load ()); auto en (mime_url_encode (n)); if (r->url) s << A(HREF=*r->url + en) << n << ~A; else if (p->internal ()) s << A(HREF=root_ / path (en)) << n << ~A; else // Display the dependency as a plain text if no repository URL // available. // s << n; } } if (mult) s << ")"; } s << ~SPAN << ~TD << ~TR; } // TR_REQUIRES // void TR_REQUIRES:: operator() (serializer& s) const { // If there are no requirements, then we omit it, unlike depends, where we // show 0 explicitly. // if (requirements_.empty ()) return; s << TR(CLASS="requires") << TH << "requires" << ~TH << TD << SPAN(CLASS="value") << requirements_.size () << "; "; for (const auto& r: requirements_) { if (&r != &requirements_[0]) s << ", "; if (r.conditional) s << "?"; if (r.empty ()) { // If there is no requirement alternatives specified, then // print the comment first word. // const auto& c (r.comment); if (!c.empty ()) { auto n (c.find (' ')); s << string (c, 0, n); if (n != string::npos) s << "..."; } } else { bool mult (r.size () > 1); if (mult) s << "("; for (const auto& ra: r) { if (&ra != &r[0]) s << " | "; s << ra; } if (mult) s << ")"; } } s << ~SPAN << ~TD << ~TR; } // TR_URL // void TR_URL:: operator() (serializer& s) const { s << TR(CLASS=label_) << TH << label_ << ~TH << TD << SPAN(CLASS="value") << A(HREF=url_) << url_ << ~A << ~SPAN << SPAN_COMMENT (url_.comment) << ~TD << ~TR; } // TR_EMAIL // void TR_EMAIL:: operator() (serializer& s) const { s << TR(CLASS=label_) << TH << label_ << ~TH << TD << SPAN(CLASS="value") << A(HREF="mailto:" + email_) << email_ << ~A << ~SPAN << SPAN_COMMENT (email_.comment) << ~TD << ~TR; } // TR_PRIORITY // void TR_PRIORITY:: operator() (serializer& s) const { static const strings priority_names ({"low", "medium", "high", "security"}); assert (priority_ < priority_names.size ()); s << TR(CLASS="priority") << TH << "priority" << ~TH << TD << SPAN(CLASS="value") << priority_names[priority_] << ~SPAN << SPAN_COMMENT (priority_.comment) << ~TD << ~TR; } // TR_LOCATION // void TR_LOCATION:: operator() (serializer& s) const { s << TR(CLASS="location") << TH << "location" << ~TH << TD << SPAN(CLASS="value") << A << HREF << root_ << "?about#" << mime_url_encode (html_id (name_)) << ~HREF << name_ << ~A << ~SPAN << ~TD << ~TR; } // TR_DOWNLOAD // void TR_DOWNLOAD:: operator() (serializer& s) const { s << TR(CLASS="download") << TH << "download" << ~TH << TD << SPAN(CLASS="value") << A(HREF=url_) << url_ << ~A << ~SPAN << ~TD << ~TR; } // TR_SHA256SUM // void TR_SHA256SUM:: operator() (serializer& s) const { s << TR(CLASS="sha256") << TH << "sha256" << ~TH << TD << SPAN(CLASS="value") << sha256sum_ << ~SPAN << ~TD << ~TR; } // SPAN_COMMENT // void SPAN_COMMENT:: operator() (serializer& s) const { if (size_t l = comment_.size ()) s << SPAN(CLASS="comment") << (comment_.back () == '.' ? string (comment_, 0, l - 1) : comment_) << ~SPAN; } // P_DESCRIPTION // void P_DESCRIPTION:: operator() (serializer& s) const { if (description_.empty ()) return; auto n (description_.find_first_of (" \t\n", length_)); bool full (n == string::npos); // Description length is below the limit. // Truncate description if length exceed the limit. // const string& d (full ? description_ : string (description_, 0, n)); // Format the description into paragraphs, recognizing a blank line as // paragraph separator, and replacing single newlines with a space. // s << P; if (!id_.empty ()) s << ID(id_); bool nl (false); // The previous character is '\n'. for (const auto& c: d) { if (c == '\n') { if (nl) { s << ~P << P; nl = false; } else nl = true; // Delay printing until the next character. } else { if (nl) { s << ' '; // Replace the previous newline with a space. nl = false; } s << c; } } if (!full) { assert (url_ != nullptr); s << "... " << A(HREF=*url_) << "More" << ~A; } s << ~P; } // PRE_CHANGES // void PRE_CHANGES:: operator() (serializer& s) const { if (changes_.empty ()) return; auto n (changes_.find_first_of (" \t\n", length_)); bool full (n == string::npos); // Changes length is below the limit. // Truncate changes if length exceed the limit. // const string& c (full ? changes_ : string (changes_, 0, n)); s << PRE(ID="changes") << c; if (!full) { assert (url_ != nullptr); s << "... " << A(HREF=*url_) << "More" << ~A; } s << ~PRE; } // DIV_PAGER // DIV_PAGER:: DIV_PAGER (size_t current_page, size_t item_count, size_t item_per_page, size_t page_number_count, const string& url) : current_page_ (current_page), item_count_ (item_count), item_per_page_ (item_per_page), page_number_count_ (page_number_count), url_ (url) { } void DIV_PAGER:: operator() (serializer& s) const { if (item_count_ == 0 || item_per_page_ == 0) return; size_t pcount (item_count_ / item_per_page_); // Page count. if (item_count_ % item_per_page_) ++pcount; if (pcount > 1) { auto url ( [this](size_t page) -> string { return page == 0 ? url_ : url_ + (url_.find ('?') == string::npos ? "?p=" : "&p=") + to_string (page); }); s << DIV(ID="pager"); if (current_page_ > 0) s << A(ID="prev", HREF=url (current_page_ - 1)) << "Prev" << ~A; if (page_number_count_) { size_t offset (page_number_count_ / 2); size_t from (current_page_ > offset ? current_page_ - offset : 0); size_t to (min (from + page_number_count_, pcount)); for (size_t p (from); p < to; ++p) { s << A(HREF=url (p)); if (p == current_page_) s << ID("curr"); s << p + 1 << ~A; } } if (current_page_ < pcount - 1) s << A(ID="next", HREF=url (current_page_ + 1)) << "Next" << ~A; s << ~DIV; } } // Convert the argument to a string conformant to the section // "3.2.5.1 The id attribute" of the HTML 5 specification at // http://www.w3.org/TR/html5/dom.html#the-id-attribute. // string html_id (const string& v) { ostringstream o; o << hex << uppercase << right << setfill ('0'); // Replace space characters (as specified at // http://www.w3.org/TR/html5/infrastructure.html#space-character) with // the respective escape sequences. // for (auto c: v) { switch (c) { case ' ': case '\t': case '\n': case '\r': case '\f': case '~': { // We use '~' as an escape character because it doesn't require // escaping in URLs. // o << "~" << setw (2) << static_cast (c); break; } default: o << c; break; } } return o.str (); } }