Images are now embedded in the output document.
h3rald h3rald@h3rald.com
Sun, 08 Dec 2013 14:02:01 +0100
1 files changed,
29 insertions(+),
3 deletions(-)
jump to
M
hastyscribe.nim
→
hastyscribe.nim
@@ -1,4 +1,4 @@
-import os, parseopt, strutils, times, markdown +import os, parseopt, strutils, times, pegs, base64, markdown let v = "1.0" let usage = " HastyScribe v" & v & " - Self-contained Markdown Compiler" & """@@ -39,6 +39,32 @@
proc style_tag(css): string = result = "<style>$1</style>" % [css] +proc encode_image(file, format): string = + if (file.existsFile): + let contents = file.readFile + let enc_contents = contents.encode(contents.len*3) + return "data:image/$format;base64,$enc_contents" % ["format", format, "enc_contents", enc_contents] + else: + echo("Warning: image '"& file &"' not found.") + return file + +proc embed_images(document): string = + type TImgData = tuple[img: string, rep: string] + var imgdata: seq[TImgData] = @[] + let imgpeg = peg"'<img src=""' [^""]+ '""'" + let imgpegs = peg"@'<img src=""' [^""]+ '""'" + let imgpegf = peg"'""' [^""]+ '""'" + var doc = document + for img in findAll(document, imgpegs): + let imgsrc = img.substr(img.find(imgpeg), img.len-1) + let imgfile = imgsrc.substr(imgsrc.find(imgpegf)+1, imgsrc.len-2) + let imgformat = imgfile.substr(imgfile.find(peg"'.' [^.]+$")+1, imgfile.len-1) + let imgcontent = encode_image(imgfile, imgformat) + let imgrep = imgsrc.replace(imgpegf, "\""& imgcontent &"\"") + imgdata.add((img: imgsrc, rep: imgrep)) + for i in imgdata: + doc = document.replace(i.img, i.rep) + return doc proc convert_file(input_file: string) = let inputsplit = input_file.splitFile@@ -81,7 +107,7 @@ else:
if parse_date(metadata.date, timeinfo) == false: discard parse_date(getDateStr(), timeinfo) - let document = """<!doctype html> + var document = """<!doctype html> <html lang="en"> <head> $title_tag@@ -107,10 +133,10 @@ hljs.tabReplace = ' ';
hljs.initHighlighting(); </script> </body>""" % ["title_tag", title_tag, "header_tag", header_tag, "author", metadata.author, "date", timeinfo.format("MMMM d, yyyy"), "toc", toc, "main_css", main_css, "headings_css", headings_css, "body", body, "highlight", src_highlight_js] + document = embed_images(document) output_file.writeFile(document) - ### MAIN var input = ""