#
# template for insrcdata project configuration file
#
#

#
# Level 1 : project
#


# source code
# path relative to  project file path, may be overridden by the  -outdir command line argument 
# optional : default to project name with .rs extension
dest ="src/hellodata.rs"


#
# Level 2 : table
#


[[table]]

# name of the struct that will implement a row in the table
# must be a valid identifier
name = 'HelloWorld'

# table source
# path relative to  project file path (  or to the  -indir argument )
# optional : default to table name in lowercase with .csv extension
src = "helloworld.csv"

# if true : create a static method array() that will return  a reference to the table
# will also create an as_index() method
# optional : default to false
array  = true

# in future version, some optimisation strategy may need to rearange row order.
# set this flag to true if input row order must not be altered in table.
# optional : default to false
sorted = false


#
# Level 3 : column
#


[[table.col]]

# name of the struct field that will implement a column in the table
name = 'sentence'

# content of the header row in the csv that contain the name of the column
# default to name option value
src= 'sentence'

# datatype of the  struct field  (str, i32, u08..)
# default to str 
format = 'str'

# create a struct method to iterate the rows with a column value matching  the range
# optional : default to false
# this field is useless for label and object formats
range = false

# if several rows have the same value for this column, only the first row is kept
# rows with empty values are skipped
# you can set this flag for several columns of the table: the row will be skipped if all the columns are equal
# optional : default to false
single = false

# for object format column
# specify implementation for each target language
target = [ { lang= 'rs', type = '...', template="...{}...", import='...'  }, ]

# for label format column
# in rust allow to retrieve the enum variant from a row
# must contains the name of the column that will store the enum
# optional : default to empty value, disabling generation
as_label = "as_label"

# for label format column
# the name of the column to use when generating inline help comment
# optional : no help generated if absent
label_helps = "info-col"

#
# Level 3 : join
#
[[table.join]]

# name of the struct field that will implement a join in the table
name = 'author'

# content of the header row in the csv that contain the name of the column
# default to name option value
src= 'author'

#  declare the target column of a join
to = 'ref'

# target table for external join
# optional : inner join if undefined
external= 'Person'

#  accessor method will return a Option<>
# optional : false by default
optional = false

# create accessor method in to table for reverse join
# optional : no creation by default
reverse = 'books'

# name oh the column
# optional : default to empty value, disabling generation
as_index = "author_index"


#
# Level 3 : variant
#

# name of the struct field that will implement a join in the table
name = 'object'

# content of the header row in the csv that contain the name of the column
# default to name option value
src = 'ref'

# accessor method will create a None variant for empty values
# optional : false by default
optional=true

# define target of each variant
#  - to = target column
#  - external = target table for external join, optional : inner join if undefined
#  - reverse = create accessor method in to table for reverse join, optional : no creation by default
either = [ {  to= 'ref', external='Author',   reverse="books" }, ]