X-Git-Url: https://harishankar.org/repos/?p=biaweb2.git;a=blobdiff_plain;f=biawebdocument.hpp;h=221bc4f09b1273e2042f45317cbe958e5f5111dc;hp=40b0207a6f92e698c13496e16638a6dc4f600598;hb=26b38b4a38c24955293a7144f1e1d74676601caf;hpb=fe9a0fef0b31ee3b94b3e73b7e319087a49a3054

diff --git a/biawebdocument.hpp b/biawebdocument.hpp
index 40b0207..221bc4f 100644
--- a/biawebdocument.hpp
+++ b/biawebdocument.hpp
@@ -48,6 +48,15 @@ namespace biaweb {
             this->mdate = mdate;
         }
 
+        // Constructor to parse the document from a stream instead of manually creating it 
+        // File should be of the format
+        // first line: title
+        // second line: Description
+        // third line: Keywords 
+        // fourth line: (creation date) YYYY-MM-DD HH:II TZ format
+        // fourth line onwards: Markdown contents
+        Document (std::istream &file) ;
+
         // set whether this is the index document
         void set_index (bool index = true) {
             this->is_index = index; 
@@ -134,16 +143,59 @@ namespace biaweb {
         }
     };
 
+    // Parse and construct a document from a stream instead of individual fields
+    Document::Document (std::istream &infile) {
+        infile.seekg (0);
+        // parse the title, description, keywords, creation time and and contents
+        std::string title, description, keywords, creattime, contents;
+        // read the title
+        std::getline (infile, title);
+        if (infile.eof ()) return;
+        this->title = escape_html (title);
+        this->filename = convert_title (title);
+        // read description
+        std::getline (infile, description);
+        if (infile.eof ()) return;
+        this->meta_desc = escape_html (description);
+        // read the keywords
+        std::getline (infile, keywords);
+        if (infile.eof ()) return;
+        this->meta_keywords = escape_html (keywords); 
+        // read the creation date/time and also set the modification time
+        // to creation date/time by default
+        std::getline (infile, creattime);
+        if (infile.eof ()) return; 
+        std::stringstream s (creattime);
+        std::tm t;
+        s >> std::get_time (&t, DATE_IN_FORMAT);
+        if (s.fail ())
+            std::cout << WARNING_PARSE_FAILED << this->filename << "\n";
+ 
+        this->cdate = mktime (&t);
+        this->mdate = this->cdate;
+        // read the rest of contents
+        std::string line;
+        std::getline (infile, line);
+        while (! infile.eof ()) {
+            contents.append (line + "\n");
+            std::getline (infile, line);
+        }
+        this->set_markdown_content (contents);
+    }
+
     void Document::set_markdown_content (std::string str) {
         this->content = convert_to_markdown (str);
     }
     
+    // output the document using the provided template
     void Document::output_to_html (std::string templatedir, std::string path)
     {
+        // read the main template file
         std::ifstream tpl (templatedir + "/main.tpl.html");
         std::string templstr ( (std::istreambuf_iterator<char> (tpl)),
                                 (std::istreambuf_iterator<char> ()) );
         tpl.close ();
+        // read the style template file
         std::ifstream style (templatedir + "/style.tpl.css");
         std::string stylesheet ( (std::istreambuf_iterator<char> (style)),
                                 (std::istreambuf_iterator<char> ()));
@@ -154,13 +206,19 @@ namespace biaweb {
             sidebartext += bar.to_html (templatedir);
         }
 
+        // time of creation and modification 
+        struct std::tm c, m;
+        c = *std::localtime (&this->cdate);
+        m = *std::localtime (&this->mdate);
+
+        // format the template with the values
         std::string outputhtml = fmt::format (templstr, 
                                     fmt::arg ("title", this->title),
                                     fmt::arg ("keywords", this->meta_keywords), 
                                     fmt::arg ("stylesheet", stylesheet),
                                     fmt::arg ("description", this->meta_desc),
-                                    fmt::arg ("cdate", *std::localtime (&this->cdate)),
-                                    fmt::arg ("mdate", *std::localtime (&this->mdate)),
+                                    fmt::arg ("cdate", c),
+                                    fmt::arg ("mdate", m),
                                     fmt::arg ("contents", this->content),
                                     fmt::arg ("sidebar", sidebartext)
                                     );