summaryrefslogtreecommitdiff
path: root/src-3.0/GF/Command/Commands.hs
diff options
context:
space:
mode:
Diffstat (limited to 'src-3.0/GF/Command/Commands.hs')
-rw-r--r--src-3.0/GF/Command/Commands.hs35
1 files changed, 35 insertions, 0 deletions
diff --git a/src-3.0/GF/Command/Commands.hs b/src-3.0/GF/Command/Commands.hs
index 27c8e5fb4..04c47413a 100644
--- a/src-3.0/GF/Command/Commands.hs
+++ b/src-3.0/GF/Command/Commands.hs
@@ -16,6 +16,7 @@ import PGF.Macros
import PGF.Data ----
import PGF.Morphology
import PGF.Quiz
+import PGF.VisualizeTree
import GF.Compile.Export
import GF.Infra.Option (noOptions)
import GF.Infra.UseIO
@@ -436,6 +437,38 @@ allCommands pgf = Map.fromList [
("thai", "Thai")
]
}),
+ ("vt", emptyCommandInfo {
+ longname = "visualize_tree",
+ synopsis = "show a set of trees graphically",
+ explanation = unlines [
+ "Prints a set of trees in the .dot format (the graphviz format).",
+ "The graph can be saved in a file by the wf command as usual.",
+ "If the -view flag is defined, the graph is saved in a temporary file",
+ "which is processed by graphviz and displayed by the program indicated",
+ "by the flag. The target format is postscript, unless overridden by the",
+ "flag -format."
+ ],
+ exec = \opts ts -> do
+ let grph = visualizeTrees False ts -- True=digraph
+ if isFlag "view" opts || isFlag "format" opts then do
+ let file s = "_grph." ++ s
+ let view = optViewGraph opts ++ " "
+ let format = optViewFormat opts
+ writeFile (file "dot") grph
+ system $ "dot -T" ++ format ++ " " ++ file "dot" ++ " > " ++ file format ++
+ " ; " ++ view ++ file format
+ return void
+ else return $ fromString grph,
+ examples = [
+ "p \"hello\" | vt -- parse a string and show trees as graph script",
+ "p \"hello\" | vt -view=\"open\" -- parse a string and display trees on a Mac"
+ ],
+
+ flags = [
+ ("format","format of the visualization file (default \"ps\")"),
+ ("view","program to open the resulting file (default \"gv\")")
+ ]
+ }),
("wf", emptyCommandInfo {
longname = "write_file",
synopsis = "send string or tree to a file",
@@ -480,6 +513,8 @@ allCommands pgf = Map.fromList [
optLang opts = head $ optLangs opts ++ ["#NOLANG"]
optCat opts = valIdOpts "cat" (lookStartCat pgf) opts
optComm opts = valStrOpts "command" "" opts
+ optViewFormat opts = valStrOpts "format" "ps" opts
+ optViewGraph opts = valStrOpts "view" "gv" opts
optNum opts = valIntOpts "number" 1 opts
optNumInf opts = valIntOpts "number" 1000000000 opts ---- 10^9