diff helper.R @ 0:b49e227ec738 draft default tip

planemo upload commit fe1408d418f7f1354a736f73ece704219baa3190

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/helper.R	Wed Mar 21 17:26:27 2018 -0400
@@ -0,0 +1,28 @@
+#' \code{getopt_specification_matrix} returns a getopt specification matrix.
+#'
+#' @param specification_file a cvs file within the \code{galaxy_tool_directory} which stores getopt specification matrix data.
+#' The first column are short flags, the second column are argument masks, the third column
+#' is data types. The fourth column are variable names used in the tool XML. These three columns are required.
+#' @param gtg_name the name of a running GTG.
+getopt_specification_matrix = function(specification_file, gtg_name = 'gtg', tool_dir = Sys.getenv('TOOL_DIR')) {
+  df = read.csv(paste0(tool_dir, specification_file),
+                header = TRUE, stringsAsFactors = FALSE)
+  # check if there are duplicated short flags
+  short_flags = df[, 1]
+  if (length(unique(short_flags)) < length(short_flags)) {
+    cat('----Duplicated short flags found ----\n')
+    cat('short flags: ', df[, 1][duplicated(df[, 1])], '\n')
+    stop('Duplicated short flags are not allowed.')
+  }
+  
+  # use short flags to generate long flags
+  long_flags = paste0('X_', df[, 1])
+  
+  # specification matrix
+  df2 = data.frame(long_flags = long_flags,
+                   short_flags = df[, 1],
+                   argument_mask = df[, 2],
+                   data_type = df[, 3])
+  
+  as.matrix(df2)
+}
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