markdown.nim
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when defined(discount): {.passL: "-Lpackages/discount".} {.passL: "-lmarkdown".} else: {.passL: "-Lvendor".} when defined(macosx): {.passL: "-lmarkdown_macosx_x64".} when defined(windows): {.passL: "-lmarkdown_windows_x64".} when defined(linux): when defined(arm): {.passL: "-lmarkdown_linux_arm".} when defined(i386): {.passL: "-lmarkdown_linux_x86".} when defined(amd64): {.passL: "-lmarkdown_linux_x64".} const MKDIO_D* = true type MMIOT* = int mkd_flag_t* = cuint {.push importc, cdecl.} # line builder for markdown() # proc mkd_in*(a2: ptr FILE; a3: mkd_flag_t): ptr MMIOT # assemble input from a file proc mkd_string*(a2: cstring; a3: cint; a4: mkd_flag_t): ptr MMIOT # assemble input from a buffer # line builder for github flavoured markdown # proc gfm_in*(a2: ptr FILE; a3: mkd_flag_t): ptr MMIOT # assemble input from a file proc gfm_string*(a2: cstring; a3: cint; a4: mkd_flag_t): ptr MMIOT # assemble input from a buffer proc mkd_basename*(a2: ptr MMIOT; a3: cstring) proc mkd_initialize*() proc mkd_with_html5_tags*() proc mkd_shlib_destructor*() # compilation, debugging, cleanup # proc mkd_compile*(a2: ptr MMIOT; a3: mkd_flag_t): cint proc mkd_cleanup*(a2: ptr MMIOT) # markup functions # proc mkd_dump*(a2: ptr MMIOT; a3: ptr FILE; a4: cint; a5: cstring): cint proc markdown*(a2: ptr MMIOT; a3: ptr FILE; a4: mkd_flag_t): cint proc mkd_line*(a2: cstring; a3: cint; a4: cstringArray; a5: mkd_flag_t): cint type mkd_sta_function_t* = proc (a2: cint; a3: pointer): cint proc mkd_string_to_anchor*(a2: cstring; a3: cint; a4: mkd_sta_function_t; a5: pointer; a6: cint) proc mkd_xhtmlpage*(a2: ptr MMIOT; a3: cint; a4: ptr FILE): cint # header block access # proc mkd_doc_title*(a2: ptr MMIOT): cstring proc mkd_doc_author*(a2: ptr MMIOT): cstring proc mkd_doc_date*(a2: ptr MMIOT): cstring # compiled data access # proc mkd_document*(a2: ptr MMIOT; a3: cstringArray): cint proc mkd_toc*(a2: ptr MMIOT; a3: cstringArray): cint proc mkd_css*(a2: ptr MMIOT; a3: cstringArray): cint proc mkd_xml*(a2: cstring; a3: cint; a4: cstringArray): cint # write-to-file functions # proc mkd_generatehtml*(a2: ptr MMIOT; a3: ptr FILE): cint proc mkd_generatetoc*(a2: ptr MMIOT; a3: ptr FILE): cint proc mkd_generatexml*(a2: cstring; a3: cint; a4: ptr FILE): cint proc mkd_generatecss*(a2: ptr MMIOT; a3: ptr FILE): cint const mkd_style* = mkd_generatecss proc mkd_generateline*(a2: cstring; a3: cint; a4: ptr FILE; a5: mkd_flag_t): cint const mkd_text* = mkd_generateline # url generator callbacks # type mkd_callback_t* = proc (a2: cstring; a3: cint; a4: pointer): cstring mkd_free_t* = proc (a2: cstring; a3: pointer) proc mkd_e_url*(a2: pointer; a3: mkd_callback_t) proc mkd_e_flags*(a2: pointer; a3: mkd_callback_t) proc mkd_e_free*(a2: pointer; a3: mkd_free_t) proc mkd_e_data*(a2: pointer; a3: pointer) # version#. # var markdown_version*: ptr char proc mkd_mmiot_flags*(a2: ptr FILE; a3: ptr MMIOT; a4: cint) proc mkd_flags_are*(a2: ptr FILE; a3: mkd_flag_t; a4: cint) proc mkd_ref_prefix*(a2: ptr MMIOT; a3: cstring) {.pop.} # special flags for markdown() and mkd_text() # const MKD_NOLINKS* = 0x00000001 MKD_NOIMAGE* = 0x00000002 MKD_NOPANTS* = 0x00000004 MKD_NOHTML* = 0x00000008 MKD_STRICT* = 0x00000010 MKD_TAGTEXT* = 0x00000020 MKD_NO_EXT* = 0x00000040 MKD_CDATA* = 0x00000080 MKD_NOSUPERSCRIPT* = 0x00000100 MKD_NORELAXED* = 0x00000200 MKD_NOTABLES* = 0x00000400 MKD_NOSTRIKETHROUGH* = 0x00000800 MKD_TOC* = 0x00001000 MKD_1_COMPAT* = 0x00002000 MKD_AUTOLINK* = 0x00004000 MKD_SAFELINK* = 0x00008000 MKD_NOHEADER* = 0x00010000 MKD_TABSTOP* = 0x00020000 MKD_NODIVQUOTE* = 0x00040000 MKD_NOALPHALIST* = 0x00080000 MKD_NODLIST* = 0x00100000 MKD_EXTRA_FOOTNOTE* = 0x00200000 MKD_NOSTYLE* = 0x00400000 MKD_NODLDISCOUNT* = 0x00800000 MKD_DLEXTRA* = 0x01000000 MKD_FENCEDCODE* = 0x02000000 MKD_IDANCHOR* = 0x04000000 MKD_GITHUBTAGS* = 0x08000000 MKD_URLENCODEDANCHOR* = 0x10000000 MKD_HTML5ANCHOR* = 0x10000000 MKD_LATEX* = 0x40000000 MKD_EMBED* = MKD_NOLINKS or MKD_NOIMAGE or MKD_TAGTEXT ## High Level API import strutils const DefaultFlags = MKD_TOC or MKD_1_COMPAT or MKD_EXTRA_FOOTNOTE or MKD_DLEXTRA or MKD_FENCEDCODE or MKD_GITHUBTAGS or MKD_HTML5ANCHOR or MKD_LATEX type TMDMetaData* = object title*: string author*: string date*: string toc*: string css*: string proc md*(s: string, f = 0): string = var flags: uint32 if (f == 0): flags = DefaultFlags else: flags = uint32(f) var str = cstring(s&" ") var mmiot = mkd_string(str, cint(str.len-1), flags) discard mkd_compile(mmiot, flags) var res = allocCStringArray([""]) discard mkd_document(mmiot, res) result = cstringArrayToSeq(res)[0] mkd_cleanup(mmiot) return proc md*(s: string, f = 0, data: var TMDMetadata): string = var flags: uint32 if (f == 0): flags = DefaultFlags else: flags = uint32(f) # Check if metadata is present var lns = s.splitLines var valid_metadata = false var offset = 0 if (lns[0][0] == '%') and (lns[1][0] == '%') and (lns[2][0] == '%'): valid_metadata = true else: valid_metadata = false if lns[0][0] == '%': offset = 2 if lns[1][0] == '%': offset = 3 var str = cstring(lns[offset..lns.len-1].join("\n")) var mmiot = mkd_string(str, cint(str.len-1), flags) if valid_metadata: data.title = $mkd_doc_title(mmiot) data.author = $mkd_doc_author(mmiot) data.date = $mkd_doc_date(mmiot) discard mkd_compile(mmiot, flags) # Process TOC if (int(flags) and MKD_TOC) == MKD_TOC: var toc = allocCStringArray(@[""]) if mkd_toc(mmiot, toc) > 0: data.toc = cstringArrayToSeq(toc)[0] else: data.toc = "" # Process CSS var css = allocCStringArray(newSeq[string](10)) if mkd_css(mmiot, css) > 0: data.css = cstringArrayToSeq(css)[0] else: data.css = "" # Generate HTML var res = allocCStringArray([""]) if mkd_document(mmiot, res) > 0: result = cstringArrayToSeq(res)[0] else: result = "" mkd_cleanup(mmiot) |