diff options
Diffstat (limited to 'tests/010')
| -rw-r--r-- | tests/010/align-columns.dat | 6 | ||||
| -rw-r--r-- | tests/010/align-columns.expected | 18 | ||||
| -rw-r--r-- | tests/010/align-columns.txr | 30 |
3 files changed, 54 insertions, 0 deletions
diff --git a/tests/010/align-columns.dat b/tests/010/align-columns.dat new file mode 100644 index 00000000..3c722207 --- /dev/null +++ b/tests/010/align-columns.dat @@ -0,0 +1,6 @@ +Given$a$text$file$of$many$lines,$where$fields$within$a$line$ +are$delineated$by$a$single$'dollar'$character,$write$a$program +that$aligns$each$column$of$fields$by$ensuring$that$words$in$each$ +column$are$separated$by$at$least$one$space. +Further,$allow$for$each$word$in$a$column$to$be$either$left$ +justified,$right$justified,$or$center$justified$within$its$column. diff --git a/tests/010/align-columns.expected b/tests/010/align-columns.expected new file mode 100644 index 00000000..06e083c7 --- /dev/null +++ b/tests/010/align-columns.expected @@ -0,0 +1,18 @@ +Given a text file of many lines, where fields within a line +are delineated by a single 'dollar' character, write a program +that aligns each column of fields by ensuring that words in each +column are separated by at least one space. +Further, allow for each word in a column to be either left +justified, right justified, or center justified within its column. + Given a text file of many lines, where fields within a line + are delineated by a single 'dollar' character, write a program + that aligns each column of fields by ensuring that words in each + column are separated by at least one space. + Further, allow for each word in a column to be either left +justified, right justified, or center justified within its column. + Given a text file of many lines, where fields within a line + are delineated by a single 'dollar' character, write a program + that aligns each column of fields by ensuring that words in each + column are separated by at least one space. + Further, allow for each word in a column to be either left +justified, right justified, or center justified within its column. diff --git a/tests/010/align-columns.txr b/tests/010/align-columns.txr new file mode 100644 index 00000000..8ae2b7f5 --- /dev/null +++ b/tests/010/align-columns.txr @@ -0,0 +1,30 @@ +@(collect) +@ (coll)@{item /[^$]+/}@(end) +@(end) +@; nc = number of columns +@; pi = padded items (data with row lengths equalized with empty strings) +@; cw = vector of max column widths +@; ce = center padding +@(bind nc @(apply (fun max) (mapcar (fun length) item))) +@(bind pi @(mapcar (lambda (row) + (append row (repeat '("") (- nc (length row))))) + item)) +@(bind cw @(vector-list + (mapcar (lambda (column) + (apply (fun max) (mapcar (fun length) column))) + ;; matrix transpose trick cols become rows: + (apply (fun mapcar) (cons (fun list) pi))))) +@(bind ns "") +@(output) +@ (repeat) +@ (rep :counter i)@{pi @[cw i]} @(end) +@ (end) +@ (repeat) +@ (rep :counter i)@{pi @(- [cw i])} @(end) +@ (end) +@ (repeat) +@ (rep :counter i)@\ + @{ns @(trunc (- [cw i] (length pi)) 2)}@\ + @{pi @(- [cw i] (trunc (- [cw i] (length pi)) 2))} @(end) +@ (end) +@(end) |