ADDED kitdll/buildsrc/kitdll-0.0/dir2c.tcl Index: kitdll/buildsrc/kitdll-0.0/dir2c.tcl ================================================================== --- /dev/null +++ kitdll/buildsrc/kitdll-0.0/dir2c.tcl @@ -0,0 +1,233 @@ +#! /usr/bin/env tclsh + +if {[llength $argv] != 2} { + puts stderr "Usage: dir2c " + + exit 1 +} + +set hashkey [lindex $argv 0] +set startdir [lindex $argv 1] + +proc shorten_file {dir file} { + set dirNameLen [string length $dir] + + if {[string range $file 0 [expr {$dirNameLen - 1}]] == $dir} { + set file [string range $file $dirNameLen end] + } + + if {[string index $file 0] == "/"} { + set file [string range $file 1 end] + } + return $file +} + +proc recursive_glob {dir} { + set children [glob -nocomplain -directory $dir *] + + set ret [list] + foreach child $children { + unset -nocomplain childinfo + catch { + file stat $child childinfo + } + + if {![info exists childinfo(type)]} { + continue + } + + if {$childinfo(type) == "directory"} { + foreach add [recursive_glob $child] { + lappend ret $add + } + + lappend ret $child + + continue + } + + if {$childinfo(type) != "file"} { + continue + } + + lappend ret $child + } + + return $ret +} + +proc dir2c_hash {path} { + set h 0 + set g 0 + + for {set idx 0} {$idx < [string length $path]} {incr idx} { + binary scan [string index $path $idx] H* char + set char "0x$char" + + set h [expr {($h << 4) + $char}] + set g [expr {$h & 0xf0000000}] + if {$g != 0} { + set h [expr {($h & 0xffffffff) ^ ($g >> 24)}] + } + + set h [expr {$h & ((~$g) & 0xffffffff)}] + } + + return $h +} + +proc stringify {data} { + set ret "\"" + for {set idx 0} {$idx < [string length $data]} {incr idx} { + binary scan [string index $data $idx] H* char + + append ret "\\x${char}" + + if {($idx % 20) == 0 && $idx != 0} { + append ret "\"\n\"" + } + } + + set ret [string trim $ret "\n\""] + + set ret "\"$ret\"" + + return $ret +} + +set files [recursive_glob $startdir] + +set cpp_tag "DIR2C_[string toupper $hashkey]" +set code_tag "dir2c_[string tolower $hashkey]" + +puts "#ifndef $cpp_tag" +puts "# define $cpp_tag 1" +puts {# include + +# ifndef LOADED_DIR2C_COMMON +# define LOADED_DIR2C_COMMON 1 + +typedef enum { + DIR2C_FILETYPE_FILE, + DIR2C_FILETYPE_DIR +} dir2c_filetype_t; + +struct dir2c_data { + const char *name; + unsigned long index; + unsigned long size; + dir2c_filetype_t type; + const unsigned char *data; +}; + +static unsigned long dir2c_hash(const unsigned char *path) { + unsigned long i, h = 0, g = 0; + + for (i = 0; path[i]; i++) { + h = (h << 4) + path[i]; + g = h & 0xf0000000; + if (g) { + h ^= (g >> 24); + } + h &= ((~g) & 0xffffffffLU); + } + + return(h); +} + +# endif /* !LOADED_DIR2C_COMMON */} +puts "" + +puts "static struct dir2c_data ${code_tag}_data\[\] = {" +puts "\t{" +puts "\t\t.name = NULL," +puts "\t\t.index = 0," +puts "\t\t.type = 0," +puts "\t\t.size = 0," +puts "\t\t.data = NULL," +puts "\t}," +puts "\t{" +puts "\t\t.name = \"\"," +puts "\t\t.index = 1," +puts "\t\t.type = DIR2C_FILETYPE_DIR," +puts "\t\t.size = 0," +puts "\t\t.data = NULL," +puts "\t}," +for {set idx 0} {$idx < [llength $files]} {incr idx} { + set file [lindex $files $idx] + set shortfile [shorten_file $startdir $file] + + unset -nocomplain finfo type + file stat $file finfo + + switch -- $finfo(type) { + "file" { + set type "DIR2C_FILETYPE_FILE" + set size $finfo(size) + + set fd [open $file] + fconfigure $fd -translation binary + set data [read $fd] + close $fd + + set data [stringify $data] + } + "directory" { + set type "DIR2C_FILETYPE_DIR" + set data "NULL" + set size 0 + } + } + + puts "\t{" + puts "\t\t.name = \"$shortfile\"," + puts "\t\t.index = [expr $idx + 2]," + puts "\t\t.type = $type," + puts "\t\t.size = $size," + puts "\t\t.data = $data," + puts "\t}," +} +puts "};" +puts "" + +puts "static unsigned long ${code_tag}_lookup_index(const char *path) {" +puts "\tswitch (dir2c_hash(path)) {" +puts "\t\tcase [dir2c_hash {}]:" +puts "\t\t\treturn(1);" + +set seenhashes [list] +for {set idx 0} {$idx < [llength $files]} {incr idx} { + set file [lindex $files $idx] + set shortfile [shorten_file $startdir $file] + set hash [dir2c_hash $shortfile] + + if {[lsearch -exact $seenhashes $hash] != -1} { + puts stderr "ERROR: Duplicate hash seen: $file ($hash), aborting" + + exit 1 + } + + lappend seenhashes $hash + + puts "\t\tcase $hash:" + puts "\t\t\treturn([expr $idx + 2]);" +} + +puts "\t}" +puts "\treturn(0);" +puts "}" +puts "" + +puts "static struct dir2c_data *${code_tag}_getData(const char *path) {" +puts "\tunsigned long index;" +puts "" +puts "\tindex = ${code_tag}_lookup_index(path);" +puts "\tif (index == 0) {" +puts "\t\treturn(NULL);" +puts "\t}" +puts "" +puts "\treturn(&${code_tag}_data\[index\]);" +puts "}" +puts "" + +puts "#endif /* !$cpp_tag */"